#VU66421 Buffer overflow in Intel products - CVE-2021-33847

Vulnerability identifier: #VU66421

Vulnerability risk: Low

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

CVE-ID: CVE-2021-33847

CWE-ID: CWE-119

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
Intel Wi-Fi 6 AX411
Intel Wi-Fi 6 AX211
Intel Wi-Fi 6 AX210
Intel Wi-Fi 6 AX201
Intel Wi-Fi 6 AX200
Intel Wireless-AC 9560
Intel Wireless-AC 9462
Intel Wireless-AC 9461
Intel Wireless-AC 9260
Intel Dual Band Wireless-AC 8265
Intel Dual Band Wireless-AC 8260
Intel Dual Band Wireless-AC 3168
Intel Wireless 7265 (Rev D) Family
Intel Dual Band Wireless-AC 3165
Killer Wi-Fi 6E AX1690
Killer Wi-Fi 6E AX1675
Killer Wi-Fi 6 AX1650
Killer Wireless-AC 1550

Software vendor:
Intel

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

The vulnerability exists due to a boundary error in firmware. A local user can trigger memory corruption and gain elevated privileges on the system.

Install updates from vendor's website.

• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00628.html