#VU118907 Improper Access Control for Register Interface in MT6991 and MT8196 - CVE-2025-20788
Published: December 1, 2025
Vulnerability identifier: #VU118907
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-2025-20788
CWE-ID: CWE-1262
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
MT6991
MT8196
MT6991
MT8196
Software vendor:
MediaTek
MediaTek
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.
Remediation
Install security update from vendor's website.