CVE-2025-20646 Details
Description
In wlan AP FW, there is a possible out of bounds write due to improper input validation. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00389074; Issue ID: MSV-1803.
A vulnerability has been identified in the MediaTek WLAN Access Point (AP) firmware, specifically in certain chipsets, including MT6890, MT7915, MT7916, MT7981, and MT7986. This vulnerability arises from improper input validation, leading to a potential out-of-bounds write. Exploitation of this issue could result in remote escalation of privileges, with no additional execution rights required. Notably, user interaction is not necessary for exploitation.
MediaTek has released a patch for this vulnerability. Instructions for applying the patch can be obtained from the MediaTek Product Security Bulletin or through the MediaTek contact person for device OEMs.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Mar 6, 2025References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://corp.mediatek.com/product-security-bulletin/March-2025 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-787 | Out-of-bounds Write | [email protected] |
| CWE-787 | Out-of-bounds Write | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| mediatek software development kit | < 7.6.7.2 |
CPE
Remediation
| |
| mediatek mt6890 | All versions |
CPE
Remediation
| |
| mediatek mt7915 | All versions |
CPE
Remediation
| |
| mediatek mt7916 | All versions |
CPE
Remediation
| |
| mediatek mt7981 | All versions |
CPE
Remediation
| |
| mediatek mt7986 | All versions |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 22, 2025 | Initial Analysis | [email protected] |
| Mar 4, 2025 | CVE Modified | CISA-ADP |
| Mar 3, 2025 | New CVE Received | [email protected] |