Out-of-bounds write in MediaTek products - CVE-2025-20721

 

Out-of-bounds write in MediaTek products - CVE-2025-20721

Published: October 8, 2025


Vulnerability identifier: #VU116737
CSH Severity: Low
CVSS v4: 4.8 [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]
CVE-ID: CVE-2025-20721
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

MT6886
MT6897
MT6899
MT6985
MT6989
MT6991
MT8195
MT8196
MT8370
MT8390
MT8395
MT8792
MT8793
Lenovo Idea Tab Pro (TB373FU)
TB373FU Lenovo Idea Tab Pro

How to mitigate CVE-2025-20721

Install security update from vendor's website.


External References

Related Security Bulletins