CVE-2021-0075 Memory corruption in Intel(R) PROSet/Wireless WiFi in multiple operating systems and some Killer(TM) WiFi in Windows 10

Medium 5.5 Published 17 Nov 2021 Updated 3 Aug 2024

A privileged local attacker can cause a denial of service via an out-of-bounds write in Intel and Killer WiFi firmware.

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

What is CVE-2021-0075?

CVE-2021-0075 is a medium-severity memory corruption 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

Out-of-bounds write in firmware for some Intel(R) PROSet/Wireless WiFi in multiple operating systems and some Killer(TM) WiFi in Windows 10 may allow a privileged user to potentially enable denial of service via local access.

Weakness: CWE-787

Which versions are affected by CVE-2021-0075?

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-2021-0075?

No fix has been published for CVE-2021-0075 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-0075 being exploited?

There is no known exploitation of CVE-2021-0075 in the wild and no public exploit code.

Sources

Also known as GHSA-4qgw-9vrf-6w24.