Use-after-free in MediaTek products - CVE-2025-20706

 

Use-after-free in MediaTek products - CVE-2025-20706

Published: September 1, 2025


Vulnerability identifier: #VU114608
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-2025-20706
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: MediaTek
Affected software:
MT6899
MT6989
MT6991
MT8676
MT8678

Detailed vulnerability description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a use-after-free error in mbrain. A local application can execute arbitrary code with elevated privileges. 


How to mitigate CVE-2025-20706

Install updates from vendor's website.

Sources