Stack-based buffer overflow in MediaTek products - CVE-2025-20719

 

Stack-based buffer overflow in MediaTek products - CVE-2025-20719

Published: October 8, 2025


Vulnerability identifier: #VU116735
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-2025-20719
CWE-ID: CWE-121
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: MediaTek
Affected software:
MT6890
MT7603
MT7615
MT7622
MT7915
MT7916
MT7981
MT7986

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-2025-20719

Install security update from vendor's website.

Sources