Out-of-bounds write in MediaTek products - CVE-2025-20723
Published: October 8, 2025
Vulnerability identifier: #VU116741
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-2025-20723
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: MediaTek
Affected software:
MT6835
MT6878
MT6886
MT6897
MT6899
MT6985
MT6989
MT6991
MT8676
MT8678
MT8775
MT8791T
MT8796
MT8873
MT6835
MT6878
MT6886
MT6897
MT6899
MT6985
MT6989
MT6991
MT8676
MT8678
MT8775
MT8791T
MT8796
MT8873
Detailed vulnerability description
The vulnerability allows a local application to perform service disruption.
The vulnerability exists due to an incorrect bounds check within gnss. A local application can perform service disruption.
How to mitigate CVE-2025-20723
Install security update from vendor's website.