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 severity of the identified vulnerabilities was conducted based on the Common Vulnerability Scoring System version 3.1 (CVSS v3.1).
Summary
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.
If you want to report a security vulnerability in MediaTek chipsets or products, please go to Report Security Vulnerability page on MediaTek website.