Out-of-bounds write in MediaTek products - CVE-2025-20721
Published: October 8, 2025
Vulnerability identifier: #VU116737
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-2025-20721
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: MediaTek
Affected software:
MT6886
MT6897
MT6899
MT6985
MT6989
MT6991
MT8195
MT8196
MT8370
MT8390
MT8395
MT8792
MT8793
MT6886
MT6897
MT6899
MT6985
MT6989
MT6991
MT8195
MT8196
MT8370
MT8390
MT8395
MT8792
MT8793
Detailed vulnerability description
The vulnerability allows a local application to perform service disruption.
The vulnerability exists due to a missing bounds check within imgsensor. A local application can perform service disruption.
How to mitigate CVE-2025-20721
Install security update from vendor's website.