Buffer overflow in MediaTek products - CVE-2022-26475

Vulnerability identifier: #VU67843

CSH Severity: 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-2022-26475

CWE-ID: CWE-119

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
MT6761
MT6762
MT6765
MT6768
MT6769
MT6789
MT6855
MT6879
MT6895
MT6983
MT7663
MT7902
MT7921
MT8167S
MT8175
MT8183
MT8185
MT8362A
MT8365
MT8385
MT8512A
MT8518
MT8532
MT8667
MT8695
MT8696
MT8766
MT8768
MT8786
MT8788
MT8789
MT6779
MT6781
MT6785
MT6853
MT6873
MT6875
MT6883
MT6885
MT6889

Software vendor:
MediaTek

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary error in WLAN component. A local application can trigger memory corruption and execute arbitrary code with elevated privileges.

Install updates from vendor's website.

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