CVE-2021-0069 Denial of service in Intel(R) PROSet/Wireless WiFi in multiple operating systems and some Killer(TM) WiFi in Windows 10

Medium 6.5 Published 17 Nov 2021 Updated 3 Aug 2024

Unauthenticated attackers with adjacent access can cause denial of service in Intel and Killer WiFi firmware due to improper input validation.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-0069?

CVE-2021-0069 is a medium-severity denial of service vulnerability in Intel(R) PROSet/Wireless WiFi in multiple operating systems and some Killer(TM) WiFi in Windows 10, published on 17 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Improper input validation in firmware for some Intel(R) PROSet/Wireless WiFi in multiple operating systems and some Killer(TM) WiFi in Windows 10 may allow an unauthenticated user to potentially enable denial of service via adjacent access.

Weakness: CWE-20

Which versions are affected by CVE-2021-0069?

It affects 16 products.

Products include Intel 7265 Firmware, Intel 9260 Firmware, Intel Ac1550 Firmware, Intel Ac 3165 Firmware, Intel Ac 3168 Firmware, Intel Ac 8260 Firmware and 10 more.

How do I fix CVE-2021-0069?

No fix has been published for CVE-2021-0069 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2021-0069 being exploited?

There is no known exploitation of CVE-2021-0069 in the wild and no public exploit code.

Sources

Also known as GHSA-3gxw-m9pv-89hq.