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    February 2025
    Product Security Bulletin

    Published 2025-02-03

    The MediaTek Product Security Bulletin contains details of security vulnerabilities affecting MediaTek Smartphone, Tablet, AIoT, Smart display, Smart platform, OTT, Computer Vision, Audio, and TV chipsets. Device OEMs have been notified of all the issues and the corresponding security patches for at least two months before publication.

    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 MediaTek Smartphone, Tablet, AIoT, Smart display, Smart platform, OTT, Computer Vision, Audio, and TV chipsets. Device OEMs have been notified of all the issues and the corresponding security patches for at least two months before publication.

    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-2025-20633, CVE-2025-20632, CVE-2025-20631, CVE-2025-20634, CVE-2025-20635, CVE-2025-20636, CVE-2025-20637, CVE-2024-20141, CVE-2024-20142
    Medium CVE-2025-20638, CVE-2025-20639, CVE-2025-20640, CVE-2025-20641, CVE-2025-20642, CVE-2025-20643, CVE-2024-20147

    Details

    CVE CVE-2025-20633
    Title Out-of-bounds write in wlan
    Severity High
    Vulnerability Type RCE
    CWE CWE-787 Out-of-bounds Write
    Description In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote (proximal/adjacent) code execution with no additional execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT7603, MT7615, MT7622, MT7915
    Affected Software Versions SDK release 7.4.0.1 and before
    Report Source External

    CVE CVE-2025-20632
    Title Out-of-bounds write in wlan
    Severity High
    Vulnerability Type EoP
    CWE CWE-787 Out-of-bounds Write
    Description In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT7615, MT7622, MT7663, MT7915, MT7916, MT7981, MT7986
    Affected Software Versions SDK release 7.6.7.2 and before
    Report Source External

    CVE CVE-2025-20631
    Title Out-of-bounds write in wlan
    Severity High
    Vulnerability Type EoP
    CWE CWE-787 Out-of-bounds Write
    Description In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT7615, MT7622, MT7663, MT7915, MT7916, MT7981, MT7986
    Affected Software Versions SDK release 7.6.7.2 and before
    Report Source External

    CVE CVE-2025-20634
    Title Out-of-bounds write in Modem
    Severity High
    Vulnerability Type RCE
    CWE CWE-787 Out-of-bounds Write
    Description In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT2737, MT6813, MT6835, MT6835T, MT6878, MT6878M, MT6879, MT6886, MT6895, MT6895TT, MT6896, MT6897, MT6899, MT6980, MT6980D, MT6983, MT6983T, MT6985, MT6985T, MT6989, MT6989T, MT6990, MT6991, MT8673, MT8676, MT8678, MT8795T, MT8798, MT8863
    Affected Software Versions Modem NR16, NR17, NR17R
    Report Source Internal

    CVE CVE-2025-20635
    Title Out-of-bounds write in DA
    Severity High
    Vulnerability Type EoP
    CWE CWE-787 Out-of-bounds Write
    Description In V6 DA, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is needed for exploitation.
    Affected Chipsets MT2737, MT6781, MT6789, MT6835, MT6855, MT6878, MT6879, MT6880, MT6886, MT6890, MT6895, MT6897, MT6980, MT6983, MT6985, MT6989, MT6990, MT8370, MT8390
    Affected Software Versions Android 12.0, 13.0, 14.0, 15.0 / openWRT 19.07, 21.02, 23.05 / Yocto 4.0 / RDK-B 22Q3, 24Q1
    Report Source Internal

    CVE CVE-2025-20636
    Title Out-of-bounds write in secmem
    Severity High
    Vulnerability Type EoP
    CWE CWE-787 Out-of-bounds Write
    Description In secmem, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation.
    Affected Chipsets MT6580, MT6739, MT6761, MT6765, MT6768, MT6779, MT6781, MT6785, MT6789, MT6833, MT6835, MT6853, MT6855, MT6873, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6983, MT6985, MT8321, MT8385, MT8666, MT8667, MT8673, MT8755, MT8765, MT8766, MT8768, MT8771, MT8775, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8795T, MT8796, MT8797, MT8798
    Affected Software Versions Android 12.0, 13.0, 14.0, 15.0
    Report Source Internal

    CVE CVE-2025-20637
    Title Uncaught exception in network
    Severity High
    Vulnerability Type DoS
    CWE CWE-248 Uncaught Exception
    Description In network HW, there is a possible system hang due to an uncaught exception. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT7981, MT7986
    Affected Software Versions SDK release 7.6.7.0 and before
    Report Source Internal

    CVE CVE-2024-20141
    Title Write-what-where condition in DA
    Severity High
    Vulnerability Type EoP
    CWE CWE-123 Write-what-where Condition
    Description In V5 DA, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is needed for exploitation.
    Affected Chipsets MT6739, MT6761, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6833, MT6853, MT6873, MT6877, MT6885, MT6893, MT8167, MT8167S, MT8175, MT8185, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8395, MT8666, MT8667, MT8673, MT8675, MT8678, MT8765, MT8766, MT8768, MT8771, MT8775, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8795T, MT8797, MT8798, MT8893
    Affected Software Versions Android 12.0, 13.0, 14.0, 15.0
    Report Source Internal

    CVE CVE-2024-20142
    Title Out-of-bounds write in DA
    Severity High
    Vulnerability Type EoP
    CWE CWE-787 Out-of-bounds Write
    Description In V5 DA, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is needed for exploitation.
    Affected Chipsets MT6739, MT6761, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6833, MT6853, MT6873, MT6877, MT6885, MT6893, MT8167, MT8167S, MT8175, MT8185, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8395, MT8666, MT8667, MT8673, MT8675, MT8678, MT8765, MT8766, MT8768, MT8771, MT8775, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8795T, MT8797, MT8798, MT8893
    Affected Software Versions Android 12.0, 13.0, 14.0, 15.0
    Report Source Internal

    CVE CVE-2025-20638
    Title Use of uninitialized variable in Flash Tool V5 DA
    Severity Medium
    Vulnerability Type ID
    CWE CWE-457 Use of Uninitialized Variable
    Description In DA, there is a possible read of uninitialized heap data due to uninitialized data. This could lead to local information disclosure, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is needed for exploitation.
    Affected Chipsets MT6739, MT6761, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6833, MT6853, MT6873, MT6877, MT6885, MT6893, MT8167, MT8167S, MT8175, MT8185, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8395, MT8666, MT8667, MT8673, MT8675, MT8678, MT8765, MT8766, MT8768, MT8771, MT8775, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8795T, MT8797, MT8798, MT8893
    Affected Software Versions Android 12.0, 13.0, 14.0, 15.0
    Report Source Internal

    CVE CVE-2025-20639
    Title Out-of-bounds write in Flash Tool V5 Lib adaptor
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-787 Out-of-bounds Write
    Description In DA, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is needed for exploitation.
    Affected Chipsets MT6739, MT6761, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6833, MT6853, MT6873, MT6877, MT6885, MT6893, MT8167, MT8167S, MT8175, MT8185, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8395, MT8666, MT8667, MT8673, MT8675, MT8678, MT8765, MT8766, MT8768, MT8771, MT8775, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8795T, MT8797, MT8798, MT8893
    Affected Software Versions Android 12.0, 13.0, 14.0, 15.0
    Report Source Internal

    CVE CVE-2025-20640
    Title Out-of-bounds read in Flash Tool V5 Lib adaptor
    Severity Medium
    Vulnerability Type ID
    CWE CWE-125 Out-of-bounds Read
    Description In DA, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is needed for exploitation.
    Affected Chipsets MT6739, MT6761, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6833, MT6853, MT6873, MT6877, MT6885, MT6893, MT8167, MT8167S, MT8175, MT8185, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8395, MT8666, MT8667, MT8673, MT8675, MT8678, MT8765, MT8766, MT8768, MT8771, MT8775, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8795T, MT8797, MT8798, MT8893
    Affected Software Versions Android 12.0, 13.0, 14.0, 15.0
    Report Source Internal

    CVE CVE-2025-20641
    Title Out-of-bounds write in Flash Tool V5 old-arch Lib
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-787 Out-of-bounds Write
    Description In DA, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is needed for exploitation.
    Affected Chipsets MT6739, MT6761, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6833, MT6853, MT6873, MT6877, MT6885, MT6893, MT8167, MT8167S, MT8175, MT8185, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8395, MT8666, MT8667, MT8673, MT8675, MT8678, MT8765, MT8766, MT8768, MT8771, MT8775, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8795T, MT8797, MT8798, MT8893
    Affected Software Versions Android 12.0, 13.0, 14.0, 15.0
    Report Source Internal

    CVE CVE-2025-20642
    Title Out-of-bounds write in Flash Tool V5 old-arch Lib
    Severity Medium
    Vulnerability Type EoP
    CWE CWE-787 Out-of-bounds Write
    Description In DA, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is needed for exploitation.
    Affected Chipsets MT6739, MT6761, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6833, MT6853, MT6873, MT6877, MT6885, MT6893, MT8167, MT8167S, MT8175, MT8185, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8395, MT8666, MT8667, MT8673, MT8675, MT8678, MT8765, MT8766, MT8768, MT8771, MT8775, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8795T, MT8797, MT8798, MT8893
    Affected Software Versions Android 12.0, 13.0, 14.0, 15.0
    Report Source Internal

    CVE CVE-2025-20643
    Title Debug messages revealing unnecessary information in Flash Tool V5 old-arch Lib
    Severity Medium
    Vulnerability Type ID
    CWE CWE-1295 Debug Messages Revealing Unnecessary Information
    Description In DA, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure, if an attacker has physical access to the device, if a malicious actor has already obtained the System privilege. User interaction is needed for exploitation.
    Affected Chipsets MT6739, MT6761, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6833, MT6853, MT6873, MT6877, MT6885, MT6893, MT8167, MT8167S, MT8175, MT8185, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8395, MT8666, MT8667, MT8673, MT8675, MT8678, MT8765, MT8766, MT8768, MT8771, MT8775, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8795T, MT8797, MT8798, MT8893
    Affected Software Versions Android 12.0, 13.0, 14.0, 15.0
    Report Source Internal

    CVE CVE-2024-20147
    Title Reachable assertion in Bluetooth
    Severity Medium
    Vulnerability Type DoS
    CWE CWE-617 Reachable Assertion
    Description In Bluetooth FW, there is a possible reachable assertion due to improper exception handling. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT2737, MT3603, MT6835, MT6878, MT6886, MT6897, MT6985, MT6989, MT6990, MT7902, MT7920, MT7921, MT7922, MT7925, MT7927, MT8195, MT8370, MT8390, MT8395, MT8518S, MT8532, MT8678
    Affected Software Versions Android 13.0, 14.0, 15.0 / SDK release 2.5, 3.5 and before / openWRT 23.05 / Yocto 3.3, 4.0, 5.0
    Report Source Internal

    Vulnerability Type Definition

    Abbreviation Definition
    RCE Remote Code Execution
    EoP Elevation of Privilege
    ID Information Disclosure
    DoS Denial of Service
    N/A Classification not available

    Versions

    Version Date Description
    1.0 February 3, 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.

    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.