Main Vulnerability Database Vulnerabilities #VU118907

Improper Access Control for Register Interface in MT6991 and MT8196 - CVE-2025-20788

Published: December 1, 2025

Vulnerability identifier: #VU118907

CSH Severity: Low

CVSS v4.0: 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-2025-20788

CWE-ID: CWE-1262

Exploitation vector: Local access

Exploit availability: No public exploit available

Vendor: MediaTek

Affected software:
MT6991
MT8196

Detailed vulnerability description

The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to a missing permission check within GPU pdma. A local application can perform service disruption.

Install security update from vendor's website.