Out of Bounds Write Vulnerability in MediaTek WLAN AP Driver
CVE-2025-20732 
Currently unrated
Key Information:
- Vendor
 MediaTek
- Vendor
 - CVE Published:
 - 4 November 2025
 
What is CVE-2025-20732?
A vulnerability exists in the MediaTek WLAN AP driver, which allows for potential out-of-bounds writes due to inadequate bounds checking. This issue could allow a malicious actor, already possessing system-level privileges, to escalate privileges without requiring any user interaction. The vulnerability has been documented in Patch ID: WCNCR00441510 and Issue ID: MSV-4139, highlighting the importance of prompt mitigation for affected systems.
Affected Version(s)
MT6890, MT7615, MT7622, MT7663, MT7915, MT7916, MT7981, MT7986 Versions:SDK release 7.6.7.2 and before / openWRT 19.07, 21.02
