Main Vulnerability Database Vulnerabilities #VU117904

#VU117904 Heap-based Buffer Overflow in MediaTek products - CVE-2025-20734

Published: November 3, 2025

Vulnerability identifier: #VU117904

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2025-20734

CWE-ID: CWE-122

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
MT6890
MT7615
MT7622
MT7663
MT7915
MT7916
MT7981
MT7986

Software vendor:
MediaTek

Description

The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to an incorrect bounds check within wlan. A local application can perform service disruption.

Install security update from vendor's website.