CVE-2022-37234 Memory corruption in n/a

High 7.8 Published 22 Sep 2022 Updated 27 May 2025

A stack buffer overflow in the wl binary allows attackers to execute arbitrary code on Netgear Nighthawk routers.

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-2022-37234?

CVE-2022-37234 is a high-severity memory corruption vulnerability in Netgear R7000 Firmware, published on 22 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Netgear Nighthawk AC1900 Smart WiFi Dual Band Gigabit Router R7000-V1.0.11.134_10.2.119 is vulnerable to Buffer Overflow via the wl binary in firmware. There is a stack overflow vulnerability caused by strncpy.

Weakness: CWE-787

Which versions are affected by CVE-2022-37234?

It affects 1 product.

Products include Netgear R7000 Firmware.

How do I fix CVE-2022-37234?

No fix has been published for CVE-2022-37234 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-2022-37234 being exploited?

There is no known exploitation of CVE-2022-37234 in the wild and no public exploit code.

All Netgear R7000 Firmware vulnerabilities

Sources

Also known as GHSA-x6xq-xccv-wjp3.