CVE-2025-20685: MediaTek Software Development Kit

High severity, CVSS 8.8. EPSS: 0.4% chance of exploitation in the next 30 days.

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

• MediaTek Software Development Kit: up to and including 7.6.7.2
• Openwrt Openwrt: version 19.07.0 only; version 21.02.0 only

Published 2025-07-08. Last modified 2026-06-17.