Vulnerability · Published Jul 8, 2025 · Assigned by MediaTek
CVE-2025-20685
High 8.8
In plain English
A high-severity heap buffer overflow in MT6890, MT7915, MT7916, MT7981, MT7986 from MediaTek, Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.4%top 70.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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. Patch ID: WCNCR00416226; Issue ID: MSV-3409.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| MediaTek, Inc. | MT6890, MT7915, MT7916, MT7981, MT7986 | SDK release 7.6.7.2 and before / OpenWrt 19.07, 21.02 (MT6890) |
Weakness: CWE-122 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H