#VU74517 Improper input validation in MediaTek products - CVE-2023-20661

Vulnerability identifier: #VU74517

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2023-20661

CWE-ID: CWE-20

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
MT5221
MT6879
MT6895
MT6983
MT7902
MT7921
MT8167S
MT8168
MT8175
MT8362A
MT8365
MT8385
MT8518
MT8532
MT8696
MT8766
MT8768
MT8771
MT8781
MT8786
MT8788
MT8789
MT8791T
MT8795T
MT8798
MT8797

Software vendor:
MediaTek

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to an integer overflow within wlan. A local privileged application can execute arbitrary code.

Install security update from vendor's website.

• https://corp.mediatek.com/product-security-bulletin/April-2023