CVE-2018-21133 Memory corruption in n/a

High 8.8 Published 23 Apr 2020 Updated 5 Aug 2024

Unauthenticated attackers can execute arbitrary code via a stack-based buffer overflow in NETGEAR wireless access points.

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-2018-21133?

CVE-2018-21133 is a high-severity memory corruption vulnerability in n/a, published on 23 Apr 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects WAC505 before 5.0.0.17 and WAC510 before 5.0.0.17.

Weakness: CWE-787

Which versions are affected by CVE-2018-21133?

It affects 2 products.

Products include Netgear Wac505 Firmware, Netgear Wac510 Firmware.

How do I fix CVE-2018-21133?

No fix has been published for CVE-2018-21133 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-2018-21133 being exploited?

There is no known exploitation of CVE-2018-21133 in the wild and no public exploit code.

Sources

Also known as GHSA-q57f-qjgw-9732.