Heap-based Buffer Overflow in MediaTek products - CVE-2025-20685
Published: July 8, 2025
Vulnerability identifier: #VU112458
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-20685
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: MediaTek
Affected software:
MT6890
MT7915
MT7916
MT7981
MT7986
MT6890
MT7915
MT7916
MT7981
MT7986
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to an incorrect bounds check within wlan. A remote attacker can trick the victim to open a specially crafted file and execute arbitrary code.
How to mitigate CVE-2025-20685
Install security update from vendor's website.