CVE-2021-45533 Command injection in n/a

High 8.4 Published 26 Dec 2021 Updated 4 Aug 2024

Authenticated attackers can execute arbitrary commands on vulnerable NETGEAR WiFi extenders and routers via command injection.

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

What is CVE-2021-45533?

CVE-2021-45533 is a high-severity command injection vulnerability in Netgear Rbk852 Firmware, published on 26 Dec 2021. 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 command injection by an authenticated user. This affects EX6120 before 1.0.0.66, EX6130 before 1.0.0.46, EX7000 before 1.0.1.106, EX7500 before 1.0.1.76, EX3700 before 1.0.0.94, EX3800 before 1.0.0.94, RBR850 before 4.6.3.9, RBS850 before 4.6.3.9, and RBK852 before 4.6.3.9.

Weakness: CWE-77

Which versions are affected by CVE-2021-45533?

It affects 9 products.

Products include Netgear Ex3700 Firmware, Netgear Ex3800 Firmware, Netgear Ex6120 Firmware, Netgear Ex6130 Firmware, Netgear Ex7000 Firmware, Netgear Ex7500 Firmware and 3 more.

How do I fix CVE-2021-45533?

No fix has been published for CVE-2021-45533 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2021-45533 being exploited?

There is no known exploitation of CVE-2021-45533 in the wild and no public exploit code.

All Netgear Rbk852 Firmware vulnerabilities

Sources

Also known as GHSA-36rp-gvh3-pg5v.