#VU120881 Out-of-bounds write in MediaTek products - CVE-2025-20795
Published: January 5, 2026
Vulnerability identifier: #VU120881
Vulnerability risk: Low
CVSSv4.0: 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-2025-20795
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
MT2718
MT6580
MT6739
MT6761
MT6765
MT6768
MT6789
MT6833
MT6835
MT6855
MT6878
MT6879
MT6886
MT6895
MT6897
MT6899
MT6983
MT6985
MT6989
MT6991
MT8186
MT8188
MT8195
MT8196
MT8370
MT8390
MT8391
MT8395
MT8676
MT8678
MT8696
MT8755
MT8766
MT8768
MT8781
MT8786
MT8788E
MT8791T
MT8792
MT8793
MT8796
MT8873
MT8883
MT8893
MT6779
MT6781
MT6785
MT6853
MT6873
MT6877
MT6883
MT6885
MT6889
MT6893
MT2718
MT6580
MT6739
MT6761
MT6765
MT6768
MT6789
MT6833
MT6835
MT6855
MT6878
MT6879
MT6886
MT6895
MT6897
MT6899
MT6983
MT6985
MT6989
MT6991
MT8186
MT8188
MT8195
MT8196
MT8370
MT8390
MT8391
MT8395
MT8676
MT8678
MT8696
MT8755
MT8766
MT8768
MT8781
MT8786
MT8788E
MT8791T
MT8792
MT8793
MT8796
MT8873
MT8883
MT8893
MT6779
MT6781
MT6785
MT6853
MT6873
MT6877
MT6883
MT6885
MT6889
MT6893
Software vendor:
MediaTek
MediaTek
Description
The vulnerability allows a local application to execute arbitrary code.
The vulnerability exists due to a missing bounds check within KeyInstall. A local application can execute arbitrary code.
Remediation
Install security update from vendor's website.