CVE-2021-20167 Command injection in Netgear RAX43

High 8.0 Published Updated

Attackers can execute arbitrary commands on Netgear RAX43 routers via the readycloud cgi application's name parameter.

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-2021-20167?

CVE-2021-20167 is a high-severity command injection vulnerability in Netgear RAX43, published on 30 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Netgear RAX43 version 1.0.3.96 contains a command injection vulnerability. The readycloud cgi application is vulnerable to command injection in the name parameter.

Weakness: CWE-77

Which versions are affected by CVE-2021-20167?

It affects 1 product.

Products include Netgear Rax43 Firmware.

How do I fix CVE-2021-20167?

No fix has been published for CVE-2021-20167 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-2021-20167 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-20167 exists.

Public exploit code: 1 Nuclei template.

Sources

Also known as GHSA-8r96-wwm9-5vjv.

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