#VU71988 NULL pointer dereference in MediaTek products - CVE-2022-32663

Vulnerability identifier: #VU71988

Vulnerability risk: Medium

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

CVE-ID: CVE-2022-32663

CWE-ID: CWE-476

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
MT5221
MT7603
MT7613
MT7615
MT7622
MT7628
MT7629
MT7668
MT7902
MT7915
MT7916
MT7921
MT7981
MT7986
MT8167S
MT8175
MT8362A
MT8365
MT8385
MT8532
MT8788
MT8518S

Software vendor:
MediaTek

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in Wi-Fi driver. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Install updates from vendor's website.

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