Out of Bounds Write Vulnerability in MediaTek WLAN AP Driver
CVE-2025-20734
Currently unrated
Key Information:
- Vendor
MediaTek
- Vendor
- CVE Published:
- 4 November 2025
What is CVE-2025-20734?
The WLAN AP Driver from MediaTek features a vulnerability that allows for an out of bounds write due to improper bounds checking. This flaw could enable a malicious individual who has already secured system privileges to escalate their access. Notably, no user interaction is required for this exploit to be carried out. It is essential for users of affected versions to apply the relevant patch, WCNCR00441507, to mitigate the potential security risk.
Affected Version(s)
MT6890, MT7615, MT7622, MT7663, MT7915, MT7916, MT7981, MT7986 SDK release 7.6.7.2 and before / openWRT 19.07, 21.02