Out-of-bounds write in MediaTek products - CVE-2025-20697
Published: August 5, 2025
Vulnerability identifier: #VU113628
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-2025-20697
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: MediaTek
Affected software:
MT2718
MT6761
MT6765
MT6768
MT6855
MT6878
MT6879
MT6897
MT6989
MT6991
MT8186
MT8196
MT8391
MT8678
MT8775
MT8786
MT8788E
MT8792
MT8796
MT8873
MT8883
MT8893
MT6853
MT6877
MT6883
MT6885
MT6889
MT6893
MT2718
MT6761
MT6765
MT6768
MT6855
MT6878
MT6879
MT6897
MT6989
MT6991
MT8186
MT8196
MT8391
MT8678
MT8775
MT8786
MT8788E
MT8792
MT8796
MT8873
MT8883
MT8893
MT6853
MT6877
MT6883
MT6885
MT6889
MT6893
Detailed vulnerability description
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a boundary error within the Power HAL component. A local application can trigger an out-of-bounds write and execute arbitrary code on the target system.
How to mitigate CVE-2025-20697
Install updates from vendor's website.