Out-of-bounds write in MediaTek products - CVE-2025-20657

 

Out-of-bounds write in MediaTek products - CVE-2025-20657

Published: April 7, 2025


Vulnerability identifier: #VU107023
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-2025-20657
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: MediaTek
Affected software:
MT6765
MT6768
MT6789
MT6833
MT8768
MT8771
MT8781
MT8786
MT8791T
MT6781
MT6853
MT6877
MT6885

Detailed vulnerability description

The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to improper input validation within vdec. A local application can execute arbitrary code.


How to mitigate CVE-2025-20657

Install security update from vendor's website.

Sources