Out of Bounds Read Vulnerability in MediaTek WLAN Driver
CVE-2025-20740 
Currently unrated
Key Information:
- Vendor
 MediaTek
- Vendor
 - CVE Published:
 - 4 November 2025
 
What is CVE-2025-20740?
A vulnerability exists in the WLAN STA driver that allows for a potential out of bounds read due to a race condition. This situation can lead to a local information disclosure risk, requiring user execution privileges for exploitation. Notably, user interaction is not necessary to exploit this vulnerability. To address this issue, a patch has been issued under ID WCNCR00435337, associated with Issue ID MSV-4036. For more comprehensive details, refer to the MediaTek product security bulletin.
Affected Version(s)
MT7902, MT7920, MT7921, MT7922, MT7925, MT7927 NB SDK release 3.7 and before
