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    December 2025
    Product Security Bulletin

    Published 2025-12-01

    The MediaTek Product Security Bulletin contains details of security vulnerabilities affecting certain MediaTek chipsets. Device OEMs have been notified of all the issues and the corresponding security patches for at least two months before publication. We take the security of our chipsets and our customers' products very seriously. At this time, we are not aware of any active exploitation of these vulnerabilities in the wild.

    The severity of the identified vulnerabilities was conducted based on the Common Vulnerability Scoring System version 3.1 (CVSS v3.1).

    The MediaTek Product Security Bulletin contains details of security vulnerabilities affecting certain MediaTek chipsets. Device OEMs have been notified of all the issues and the corresponding security patches for at least two months before publication. We take the security of our chipsets and our customers' products very seriously. At this time, we are not aware of any active exploitation of these vulnerabilities in the wild.

    The severity of the identified vulnerabilities was conducted based on the Common Vulnerability Scoring System version 3.1 (CVSS v3.1).

    Summary

    Severity CVEs
    High CVE-2025-20792, CVE-2025-20753, CVE-2025-20754, CVE-2025-20755, CVE-2025-20790, CVE-2025-20759, CVE-2025-20758, CVE-2025-20757, CVE-2025-20756, CVE-2025-20752, CVE-2025-20791, CVE-2025-20751, CVE-2025-20750
    Medium CVE-2025-20763, CVE-2025-20764, CVE-2025-20765, CVE-2025-20766, CVE-2025-20767, CVE-2025-20768, CVE-2025-20769, CVE-2025-20770, CVE-2025-20771, CVE-2025-20772, CVE-2025-20773, CVE-2025-20774, CVE-2025-20775, CVE-2025-20776, CVE-2025-20777, CVE-2025-20788, CVE-2025-20789

    Details

    CVE CVE-2025-20792
    Title Reachable assertion in Modem
    Severity High
    CWE CWE-617 Reachable Assertion
    Description There is a possible system crash due to improper input validation.
    Affected Chipsets MT2735, MT6833, MT6833P, MT6853, MT6853T, MT6855, MT6855T, MT6873, MT6875, MT6875T, MT6877, MT6877T, MT6877TT, MT6880, MT6883, MT6885, MT6889, MT6890, MT6891, MT6893, MT8791T
    Report Source External

    CVE CVE-2025-20753
    Title Uncaught exception in Modem
    Severity High
    CWE CWE-248 Uncaught Exception
    Description There is a possible system crash due to an uncaught exception.
    Affected Chipsets MT2735, MT2737, MT6833, MT6833P, MT6853, MT6853T, MT6855, MT6855T, MT6873, MT6875, MT6875T, MT6877, MT6877T, MT6877TT, MT6879, MT6880, MT6883, MT6885, MT6886, MT6889, MT6890, MT6891, MT6893, MT6895, MT6895TT, MT6896, MT6980, MT6980D, MT6983, MT6983T, MT6985, MT6985T, MT6989, MT6989T, MT6990, MT8675, MT8771, MT8791, MT8791T, MT8797
    Report Source External

    CVE CVE-2025-20754
    Title Uncaught exception in Modem
    Severity High
    CWE CWE-248 Uncaught Exception
    Description There is a possible system crash due to an incorrect bounds check.
    Affected Chipsets MT2735, MT2737, MT6813, MT6833, MT6833P, MT6835, MT6835T, MT6853, MT6853T, MT6855, MT6855T, MT6873, MT6875, MT6875T, MT6877, MT6877T, MT6877TT, MT6878, MT6878M, MT6879, MT6880, MT6883, MT6885, MT6886, MT6889, MT6890, MT6891, MT6893, MT6895, MT6895TT, MT6896, MT6897, MT6899, MT6980, MT6980D, MT6983, MT6983T, MT6985, MT6985T, MT6989, MT6989T, MT6990, MT6991, MT8673, MT8675, MT8676, MT8678, MT8755, MT8771, MT8791, MT8791T, MT8792, MT8793, MT8795T, MT8797, MT8798, MT8863, MT8873, MT8883, MT8893
    Report Source External

    CVE CVE-2025-20755
    Title Null pointer dereference in Modem
    Severity High
    CWE CWE-476 NULL Pointer Dereference
    Description There is a possible application crash due to improper input validation.
    Affected Chipsets MT2735, MT6833, MT6833P, MT6853, MT6853T, MT6855, MT6855T, MT6873, MT6875, MT6875T, MT6877, MT6877T, MT6877TT, MT6880, MT6883, MT6885, MT6889, MT6890, MT6891, MT6893, MT8675, MT8771, MT8791, MT8791T, MT8797
    Report Source External

    CVE CVE-2025-20790
    Title Null pointer dereference in Modem
    Severity High
    CWE CWE-476 NULL Pointer Dereference
    Description There is a possible system crash due to improper input validation.
    Affected Chipsets MT2735, MT6833, MT6833P, MT6853, MT6853T, MT6855, MT6855T, MT6873, MT6875, MT6875T, MT6877, MT6877T, MT6877TT, MT6880, MT6883, MT6885, MT6889, MT6890, MT6891, MT6893, MT8675, MT8771, MT8791, MT8791T, MT8797
    Report Source External

    CVE CVE-2025-20759
    Title Out-of-bounds read in Modem
    Severity High
    CWE CWE-125 Out-of-bounds Read
    Description There is a possible out of bounds read due to a missing bounds check.
    Affected Chipsets MT2735, MT2737, MT6833, MT6833P, MT6853, MT6853T, MT6855, MT6855T, MT6873, MT6875, MT6875T, MT6877, MT6877T, MT6877TT, MT6879, MT6880, MT6883, MT6885, MT6886, MT6889, MT6890, MT6891, MT6893, MT6895, MT6895TT, MT6896, MT6980, MT6980D, MT6983, MT6983T, MT6985, MT6985T, MT6989, MT6989T, MT6990, MT8673, MT8675, MT8771, MT8791, MT8791T, MT8795T, MT8797, MT8798, MT8893
    Report Source External

    CVE CVE-2025-20758
    Title Uncaught exception in Modem
    Severity High
    CWE CWE-248 Uncaught Exception
    Description There is a possible system crash due to an uncaught exception.
    Affected Chipsets MT2735, MT2737, MT6813, MT6833, MT6833P, MT6835, MT6835T, MT6853, MT6853T, MT6855, MT6855T, MT6873, MT6875, MT6875T, MT6877, MT6877T, MT6877TT, MT6878, MT6878M, MT6879, MT6880, MT6883, MT6885, MT6886, MT6889, MT6890, MT6891, MT6893, MT6895, MT6895TT, MT6896, MT6897, MT6899, MT6980, MT6980D, MT6983, MT6983T, MT6985, MT6985T, MT6989, MT6989T, MT6990, MT6991, MT8673, MT8675, MT8676, MT8678, MT8755, MT8771, MT8791, MT8791T, MT8792, MT8793, MT8795T, MT8797, MT8798, MT8863, MT8873, MT8883, MT8893
    Report Source External

    CVE CVE-2025-20757
    Title Reachable assertion in Modem
    Severity High
    CWE CWE-617 Reachable Assertion
    Description There is a possible system crash due to improper input validation.
    Affected Chipsets MT2735, MT6833, MT6833P, MT6853, MT6853T, MT6855, MT6855T, MT6873, MT6875, MT6875T, MT6877, MT6877T, MT6877TT, MT6880, MT6883, MT6885, MT6889, MT6890, MT6891, MT6893, MT8675, MT8771, MT8791, MT8791T, MT8797
    Report Source External

    CVE CVE-2025-20756
    Title Specified type in Modem
    Severity High
    CWE CWE-1287 Specified Type
    Description There is a possible system crash due to a logic error.
    Affected Chipsets MT2735, MT6833, MT6833P, MT6853, MT6853T, MT6855, MT6855T, MT6873, MT6875, MT6875T, MT6877, MT6877T, MT6877TT, MT6880, MT6883, MT6885, MT6889, MT6890, MT6891, MT6893, MT8673, MT8675, MT8676, MT8678, MT8755, MT8771, MT8791, MT8791T, MT8792, MT8793, MT8795T, MT8797, MT8798, MT8863, MT8873, MT8883, MT8893
    Report Source External

    CVE CVE-2025-20752
    Title Reachable assertion in Modem
    Severity High
    CWE CWE-617 Reachable Assertion
    Description There is a possible system crash due to a missing bounds check.
    Affected Chipsets MT2735, MT2737, MT6813, MT6833, MT6833P, MT6835, MT6835T, MT6853, MT6853T, MT6855, MT6855T, MT6873, MT6875, MT6875T, MT6877, MT6877T, MT6877TT, MT6878, MT6878M, MT6879, MT6880, MT6883, MT6885, MT6886, MT6889, MT6890, MT6891, MT6893, MT6895, MT6895TT, MT6896, MT6897, MT6899, MT6980, MT6980D, MT6983, MT6983T, MT6985, MT6985T, MT6989, MT6989T, MT6990, MT6991, MT8676, MT8791T
    Report Source External

    CVE CVE-2025-20791
    Title Reachable assertion in Modem
    Severity High
    CWE CWE-617 Reachable Assertion
    Description There is a possible system crash due to incorrect error handling.
    Affected Chipsets MT2735, MT6833, MT6833P, MT6853, MT6853T, MT6855, MT6855T, MT6873, MT6875, MT6875T, MT6877, MT6877T, MT6877TT, MT6880, MT6883, MT6885, MT6889, MT6890, MT6891, MT6893, MT8675, MT8771, MT8791, MT8791T, MT8797
    Report Source External

    CVE CVE-2025-20751
    Title Out-of-bounds write in Modem
    Severity High
    CWE CWE-787 Out-of-bounds Write
    Description There is a possible system crash due to a missing bounds check.
    Affected Chipsets MT2735, MT6833, MT6833P, MT6853, MT6853T, MT6855, MT6855T, MT6873, MT6875, MT6875T, MT6877, MT6877T, MT6877TT, MT6880, MT6883, MT6885, MT6889, MT6890, MT6891, MT6893, MT8675, MT8771, MT8791, MT8791T, MT8797
    Report Source External

    CVE CVE-2025-20750
    Title Null pointer dereference in Modem
    Severity High
    CWE CWE-476 NULL Pointer Dereference
    Description There is a possible system crash due to improper input validation.
    Affected Chipsets MT2735, MT6833, MT6833P, MT6853, MT6853T, MT6855, MT6855T, MT6873, MT6875, MT6875T, MT6877, MT6877T, MT6877TT, MT6880, MT6883, MT6885, MT6889, MT6890, MT6891, MT6893, MT8675, MT8771, MT8791, MT8791T, MT8797
    Report Source External

    CVE CVE-2025-20763
    Title Out-of-bounds write in mmdvfs
    Severity Medium
    CWE CWE-787 Out-of-bounds Write
    Description There is a possible out of bounds write due to a missing bounds check.
    Affected Chipsets MT6833, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6897, MT6899, MT6983, MT6985, MT6989, MT6991, MT8196, MT8676, MT8678, MT8792, MT8793, MT8796, MT8873, MT8893
    Report Source External

    CVE CVE-2025-20764
    Title Out-of-bounds write in smi
    Severity Medium
    CWE CWE-787 Out-of-bounds Write
    Description There is a possible out of bounds write due to a missing bounds check.
    Affected Chipsets MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6833, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6897, MT6899, MT6983, MT6985, MT6989, MT6991, MT8196, MT8676, MT8678, MT8792, MT8793, MT8796, MT8873, MT8893
    Report Source External

    CVE CVE-2025-20765
    Title Double free in aee daemon
    Severity Medium
    CWE CWE-415 Double Free
    Description There is a possible system crash due to a race condition.
    Affected Chipsets MT2718, MT2737, MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6833, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6880, MT6883, MT6885, MT6886, MT6889, MT6890, MT6893, MT6895, MT6897, MT6899, MT6980D, MT6983, MT6985, MT6989, MT6990, MT6991, MT8113, MT8115, MT8139, MT8163, MT8168, MT8169, MT8183, MT8186, MT8188, MT8512, MT8516, MT8518, MT8519, MT8532, MT8676, MT8678, MT8695, MT8696, MT8698
    Report Source External

    CVE CVE-2025-20766
    Title Use of uninitialized variable in display
    Severity Medium
    CWE CWE-457 Use of Uninitialized Variable
    Description There is a possible memory corruption due to improper input validation.
    Affected Chipsets MT2718, MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6833, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6897, MT6899, MT6983, MT6985, MT6989, MT6991, MT8196, MT8676, MT8678, MT8792, MT8793
    Report Source External

    CVE CVE-2025-20767
    Title Out-of-bounds write in display
    Severity Medium
    CWE CWE-787 Out-of-bounds Write
    Description There is a possible out of bounds write due to an integer overflow.
    Affected Chipsets MT2718, MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6833, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6897, MT6899, MT6983, MT6985, MT6989, MT6991, MT8196, MT8676, MT8678, MT8792, MT8793
    Report Source External

    CVE CVE-2025-20768
    Title Out-of-bounds read in display
    Severity Medium
    CWE CWE-125 Out-of-bounds Read
    Description There is a possible out of bounds read due to a missing bounds check.
    Affected Chipsets MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6833, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6897, MT6899, MT6983, MT6985, MT6989, MT6991
    Report Source External

    CVE CVE-2025-20769
    Title Stack overflow in display
    Severity Medium
    CWE CWE-121 Stack Overflow
    Description There is a possible out of bounds write due to a missing bounds check.
    Affected Chipsets MT2718, MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6833, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6897, MT6899, MT6983, MT6985, MT6989, MT6991, MT8196, MT8676, MT8678, MT8792, MT8793
    Report Source External

    CVE CVE-2025-20770
    Title Use after free in display
    Severity Medium
    CWE CWE-416 Use After Free
    Description There is a possible memory corruption due to use after free.
    Affected Chipsets MT2718, MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6833, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6897, MT6899, MT6983, MT6985, MT6989, MT6991, MT8196, MT8676, MT8678, MT8792, MT8793
    Report Source External

    CVE CVE-2025-20771
    Title Use of uninitialized variable in display
    Severity Medium
    CWE CWE-457 Use of Uninitialized Variable
    Description There is a possible escalation of privilege due to improper input validation.
    Affected Chipsets MT2718, MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6833, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6897, MT6899, MT6983, MT6985, MT6989, MT6991, MT8196, MT8676, MT8678, MT8792, MT8793
    Report Source External

    CVE CVE-2025-20772
    Title Double free in display
    Severity Medium
    CWE CWE-415 Double Free
    Description There is a possible memory corruption due to use after free.
    Affected Chipsets MT2718, MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6833, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6897, MT6899, MT6983, MT6985, MT6989, MT6991, MT8196, MT8676, MT8678, MT8792, MT8793
    Report Source External

    CVE CVE-2025-20773
    Title Double free in display
    Severity Medium
    CWE CWE-415 Double Free
    Description There is a possible memory corruption due to use after free.
    Affected Chipsets MT2718, MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6833, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6897, MT6899, MT6983, MT6985, MT6989, MT6991, MT8196, MT8676, MT8678, MT8792, MT8793
    Report Source External

    CVE CVE-2025-20774
    Title Heap overflow in display
    Severity Medium
    CWE CWE-122 Heap Overflow
    Description There is a possible out of bounds write due to a missing bounds check.
    Affected Chipsets MT2718, MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6833, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6897, MT6899, MT6983, MT6985, MT6989, MT6991, MT8196, MT8676, MT8678, MT8792, MT8793
    Report Source External

    CVE CVE-2025-20775
    Title Double free in display
    Severity Medium
    CWE CWE-415 Double Free
    Description There is a possible memory corruption due to use after free.
    Affected Chipsets MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6833, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6897, MT6899, MT6983, MT6985, MT6989, MT6991, MT8186, MT8188, MT8196, MT8667, MT8673, MT8676, MT8678, MT8765, MT8766, MT8768, MT8771, MT8781, MT8791T, MT8792, MT8793, MT8795T, MT8796, MT8798, MT8873, MT8883
    Report Source External

    CVE CVE-2025-20776
    Title Out-of-bounds read in display
    Severity Medium
    CWE CWE-125 Out-of-bounds Read
    Description There is a possible out of bounds read due to a missing bounds check.
    Affected Chipsets MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6833, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6897, MT6899, MT6983, MT6985, MT6989, MT6991, MT8186, MT8188, MT8196, MT8667, MT8673, MT8676, MT8678, MT8765, MT8766, MT8768, MT8771, MT8781, MT8791T, MT8792, MT8793, MT8795T, MT8796, MT8798, MT8873, MT8883
    Report Source External

    CVE CVE-2025-20777
    Title Out-of-bounds write in display
    Severity Medium
    CWE CWE-787 Out-of-bounds Write
    Description There is a possible out of bounds write due to a missing bounds check.
    Affected Chipsets MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6833, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6897, MT6899, MT6983, MT6985, MT6989, MT6991, MT8186, MT8188, MT8196, MT8667, MT8673, MT8676, MT8678, MT8765, MT8766, MT8768, MT8771, MT8781, MT8791T, MT8792, MT8793, MT8795T, MT8796, MT8798, MT8873, MT8883
    Report Source External

    CVE CVE-2025-20788
    Title Improper access control for register interface in GPU pdma
    Severity Medium
    CWE CWE-1262 Improper Access Control for Register Interface
    Description There is a possible memory corruption due to a missing permission check.
    Affected Chipsets MT6991, MT8196
    Report Source External

    CVE CVE-2025-20789
    Title Information exposure through sent data in GPU pdma
    Severity Medium
    CWE CWE-201 Information Exposure Through Sent Data
    Description There is a possible information disclosure due to a missing bounds check.
    Affected Chipsets MT6781, MT6833, MT6853, MT6877, MT6893, MT8196
    Report Source External

    Versions

    Version Date Description
    1.0 December 1, 2025 Bulletin published.

    Notes

    Information above is generated only at the time of creation of this Security Bulletin. The list of affected chipsets could be not complete. For any further information, device OEMs can reach your MediaTek contact person if needed.
     
    If you want to report a security vulnerability in MediaTek chipsets or products, please go to Report Security Vulnerability page on MediaTek website.
    Product Security Bulletin Inner banner_1400x800px

    Notes

    Information above is generated only at the time of creation of this Security Bulletin. The list of affected chipsets could be not complete. For any further information, device OEMs can reach your MediaTek contact person if needed.
    If you want to report a security vulnerability in MediaTek chipsets or products, please go to Report Security Vulnerability page on MediaTek website.