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    July 2025
    Product Security Bulletin

    Published 2025-07-08

    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-2025-20680, CVE-2025-20681, CVE-2025-20682, CVE-2025-20683, CVE-2025-20684, CVE-2025-20685, CVE-2025-20686
    Medium CVE-2025-20687, CVE-2025-20688, CVE-2025-20689, CVE-2025-20690, CVE-2025-20691, CVE-2025-20692, CVE-2025-20693, CVE-2025-20694, CVE-2025-20695

    Details

    CVE CVE-2025-20680
    Title Heap overflow in Bluetooth
    Severity High
    Vulnerability Type EoP
    CWE CWE-122 Heap Overflow
    Description In Bluetooth driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT7902, MT7920, MT7921, MT7922, MT7925, MT7927
    Affected Software Versions NB SDK release 3.6 and before
    Report Source External

    CVE CVE-2025-20681
    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 User execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT6890, MT7615, MT7622, MT7663, MT7915
    Affected Software Versions SDK release 5.1.0.0 and before / openWRT 19.07, 21.02
    Report Source External

    CVE CVE-2025-20682
    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 User execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT6890, MT7615, MT7622, MT7663, MT7915, MT7916, MT7981, MT7986
    Affected Software Versions SDK release 7.6.7.2 and before / openWRT 19.07, 21.02
    Report Source External

    CVE CVE-2025-20683
    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 User execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT6890, MT7615, MT7622, MT7663, MT7915, MT7916, MT7981, MT7986
    Affected Software Versions SDK release 7.6.7.2 and before / openWRT 19.07, 21.02
    Report Source External

    CVE CVE-2025-20684
    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 User execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT7615, MT7622, MT7663
    Affected Software Versions SDK release 5.1.0.0 and before
    Report Source External

    CVE CVE-2025-20685
    Title Heap overflow in wlan
    Severity High
    Vulnerability Type RCE
    CWE CWE-122 Heap Overflow
    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 MT6890, MT7915, MT7916, MT7981, MT7986
    Affected Software Versions SDK release 7.6.7.2 and before / OpenWrt 19.07, 21.02 (MT6890)
    Report Source External

    CVE CVE-2025-20686
    Title Heap overflow in wlan
    Severity High
    Vulnerability Type RCE
    CWE CWE-122 Heap Overflow
    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 MT6890, MT7915, MT7916, MT7981, MT7986
    Affected Software Versions SDK release 7.6.7.2 and before / OpenWrt 19.07, 21.02 (MT6890)
    Report Source External

    CVE CVE-2025-20687
    Title Out-of-bounds read in Bluetooth
    Severity Medium
    Vulnerability Type DoS
    CWE CWE-125 Out-of-bounds Read
    Description In Bluetooth driver, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT7902, MT7920, MT7921, MT7922, MT7925, MT7927
    Affected Software Versions NB SDK release 3.6 and before
    Report Source External

    CVE CVE-2025-20688
    Title Out-of-bounds read in wlan
    Severity Medium
    Vulnerability Type ID
    CWE CWE-125 Out-of-bounds Read
    Description In wlan AP driver, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure with User execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT6890, MT7615, MT7622, MT7663, MT7915, MT7916, MT7981, MT7986
    Affected Software Versions SDK release 7.6.7.2 and before / openWRT 19.07, 21.02
    Report Source External

    CVE CVE-2025-20689
    Title Out-of-bounds read in wlan
    Severity Medium
    Vulnerability Type ID
    CWE CWE-125 Out-of-bounds Read
    Description In wlan AP driver, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure with User execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT6890, MT7615, MT7622, MT7663, MT7915, MT7916, MT7981, MT7986
    Affected Software Versions SDK release 7.6.7.2 and before / openWRT 19.07, 21.02
    Report Source External

    CVE CVE-2025-20690
    Title Out-of-bounds read in wlan
    Severity Medium
    Vulnerability Type ID
    CWE CWE-125 Out-of-bounds Read
    Description In wlan AP driver, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure with User execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT6890, MT7615, MT7622, MT7663, MT7915, MT7916, MT7981, MT7986
    Affected Software Versions SDK release 7.6.7.2 and before / openWRT 19.07, 21.02
    Report Source External

    CVE CVE-2025-20691
    Title Out-of-bounds read in wlan
    Severity Medium
    Vulnerability Type ID
    CWE CWE-125 Out-of-bounds Read
    Description In wlan AP driver, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure with User execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT6890, MT7615, MT7622, MT7663, MT7915, MT7916, MT7981, MT7986
    Affected Software Versions SDK release 7.6.7.2 and before / openWRT 19.07, 21.02
    Report Source External

    CVE CVE-2025-20692
    Title Out-of-bounds read in wlan
    Severity Medium
    Vulnerability Type ID
    CWE CWE-125 Out-of-bounds Read
    Description In wlan AP driver, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure with User execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT6890, MT7615, MT7622, MT7663, MT7915, MT7916, MT7981, MT7986
    Affected Software Versions SDK release 7.6.7.2 and before / openWRT 19.07, 21.02
    Report Source External

    CVE CVE-2025-20693
    Title Out-of-bounds read in wlan
    Severity Medium
    Vulnerability Type ID
    CWE CWE-125 Out-of-bounds Read
    Description In wlan STA driver, there is a possible out of bounds read due to an incorrect bounds check. This could lead to remote (proximal/adjacent) information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.
    Affected Chipsets MT2737, MT6835, MT6878, MT6886, MT6897, MT6899, MT6985, MT6989, MT6990, MT6991, MT7902, MT7920, MT7921, MT7922, MT7923, MT7925, MT7927, MT7932, MT8196, MT8678, MT8796, MT8893
    Affected Software Versions Android 13.0, 14.0, 15.0 / SDK release 3.7 and before / openWRT 21.02, 23.05 / Yocto 4.0
    Report Source External

    CVE CVE-2025-20694
    Title Buffer underflow in Bluetooth
    Severity Medium
    Vulnerability Type DoS
    CWE CWE-124 Buffer Underflow
    Description In Bluetooth FW, there is a possible system crash 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 MT2718, MT6639, MT6653, MT6985, MT6989, MT6990, MT6991, MT7925, MT7927, MT8113, MT8115, MT8127, MT8163, MT8168, MT8169, MT8173, MT8183, MT8186, MT8188, MT8195, MT8196, MT8370, MT8390, MT8391, MT8395, MT8512, MT8516, MT8519, MT8676, MT8678, MT8695, MT8696, MT8698, MT8786, MT8792, MT8796, MT8893
    Affected Software Versions Android 13.0, 14.0, 15.0 / SDK release 3.7 and before / openWRT 21.02, 23.05
    Report Source External

    CVE CVE-2025-20695
    Title Buffer underflow in Bluetooth
    Severity Medium
    Vulnerability Type DoS
    CWE CWE-124 Buffer Underflow
    Description In Bluetooth FW, there is a possible system crash 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 MT6639, MT6653, MT6985, MT6989, MT6990, MT6991, MT7925, MT7927, MT8196, MT8678, MT8796
    Affected Software Versions Android 13.0, 14.0, 15.0 / SDK release 3.7 and before / openWRT 21.02, 23.05
    Report Source External

    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 July 8, 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.