CVE-2023-36187 Memory corruption in n/a

Critical 9.8 Published 1 Sep 2023 Updated 1 Oct 2024

Remote unauthenticated attackers can execute arbitrary code on NETGEAR R6400v2 routers via a buffer overflow in the httpd service.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-36187?

CVE-2023-36187 is a critical memory corruption vulnerability in Netgear R6400 Firmware, published on 1 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Buffer Overflow vulnerability in NETGEAR R6400v2 before version 1.0.4.118, allows remote unauthenticated attackers to execute arbitrary code via crafted URL to httpd.

Weakness: CWE-120

Which versions are affected by CVE-2023-36187?

It affects 15 products.

Products include Netgear Cbr40 Firmware, Netgear Lax20 Firmware, Netgear Mk62 Firmware, Netgear Mr60 Firmware, Netgear Ms60 Firmware, Netgear R6400 Firmware and 9 more.

How do I fix CVE-2023-36187?

No fix has been published for CVE-2023-36187 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-2023-36187 being exploited?

There is no known exploitation of CVE-2023-36187 in the wild and no public exploit code.

All Netgear R6400 Firmware vulnerabilities

Sources

Also known as GHSA-qpcg-54gx-2mvc.