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-2025-20633 |
|---|---|
| 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.
If you want to report a security vulnerability in MediaTek chipsets or products, please go to Report Security Vulnerability page on MediaTek website.