CVE-2021-45553 Command injection in n/a

High 8.7 Published 26 Dec 2021 Updated 4 Aug 2024

Authenticated attackers can execute arbitrary commands on NETGEAR routers via a command injection vulnerability.

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-2021-45553?

CVE-2021-45553 is a high-severity command injection vulnerability in Netgear R6900p 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 R7000 before 1.0.11.126, R6900P before 1.3.2.126, and R7000P before 1.3.2.126.

Weakness: CWE-77

Which versions are affected by CVE-2021-45553?

It affects 3 products.

Products include Netgear R6900p Firmware, Netgear R7000 Firmware, Netgear R7000p Firmware.

How do I fix CVE-2021-45553?

No fix has been published for CVE-2021-45553 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-2021-45553 being exploited?

There is no known exploitation of CVE-2021-45553 in the wild and no public exploit code.

All Netgear R6900p Firmware vulnerabilities

Sources

Also known as GHSA-hvcg-rv65-whmr.