Resource exhaustion in MediaTek products - CVE-2022-21757

Vulnerability identifier: #VU73095

CSH Severity: Low

CVSSv4.0: 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-2022-21757

CWE-ID: CWE-400

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
MT6833
MT6983
MT6985
MT8167S
MT8168
MT8175
MT8183
MT8185
MT8362A
MT8365
MT8385
MT8667
MT8675
MT8766
MT8768
MT8786
MT8788
MT8789
MT6853
MT6877
MT6885
MT6889
MT8797

Software vendor:
MediaTek

The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to a missing count check within WIFI Firmware. A local application can perform service disruption.

Install security update from vendor's website.

• https://corp.mediatek.com/product-security-bulletin/June-2022