CVE-2021-38530 Command injection in n/a

Critical 9.6 Published Updated

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

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-2021-38530?

CVE-2021-38530 is a critical command injection vulnerability in Netgear Rbk20 Firmware, published on 11 Aug 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 unauthenticated attacker. This affects RBK40 before 2.5.1.16, RBR40 before 2.5.1.16, RBS40 before 2.5.1.16, RBK20 before 2.5.1.16, RBR20 before 2.5.1.16, RBS20 before 2.5.1.16, RBK50 before 2.5.1.16, RBR50 before 2.5.1.16, RBS50 before 2.5.1.16, and RBS50Y before 2.6.1.40.

Weakness: CWE-77

Which versions are affected by CVE-2021-38530?

It affects 10 products.

Products include Netgear Rbk20 Firmware, Netgear Rbk40 Firmware, Netgear Rbk50 Firmware, Netgear Rbr20 Firmware, Netgear Rbr40 Firmware, Netgear Rbr50 Firmware and 4 more.

How do I fix CVE-2021-38530?

No fix has been published for CVE-2021-38530 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-2021-38530 being exploited?

There is no known exploitation of CVE-2021-38530 in the wild and no public exploit code.

All Netgear Rbk20 Firmware vulnerabilities

Sources

Also known as GHSA-2p42-xc4w-2gjf.

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