Heap-based Buffer Overflow in MediaTek products - CVE-2025-20712

 

Heap-based Buffer Overflow in MediaTek products - CVE-2025-20712

Published: October 8, 2025


Vulnerability identifier: #VU116730
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-20712
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: MediaTek
Affected software:
MT6990
MT7990
MT7991
MT7992
MT7993

Detailed vulnerability description

The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to an incorrect bounds check within wlan. A local application can execute arbitrary code.


How to mitigate CVE-2025-20712

Install security update from vendor's website.

Sources