CVE-2018-21208 Command injection in n/a

High 8.8 Published Updated

Unauthenticated attackers can execute arbitrary commands on vulnerable NETGEAR routers via command injection flaws.

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-2018-21208?

CVE-2018-21208 is a high-severity command injection vulnerability in Netgear D6100 Firmware, published on 28 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 command injection by an unauthenticated attacker. This affects D6100 before 1.0.0.57, R6100 before 1.0.1.20, R7500v2 before 1.0.3.24, WNDR4300v2 before 1.0.0.50, and WNDR4500v3 before 1.0.0.50.

Weakness: CWE-74

Which versions are affected by CVE-2018-21208?

It affects 5 products.

Products include Netgear D6100 Firmware, Netgear R6100 Firmware, Netgear R7500 Firmware, Netgear Wndr4300 Firmware, Netgear Wndr4500 Firmware.

How do I fix CVE-2018-21208?

No fix has been published for CVE-2018-21208 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-2018-21208 being exploited?

There is no known exploitation of CVE-2018-21208 in the wild and no public exploit code.

All Netgear D6100 Firmware vulnerabilities

Sources

Also known as GHSA-mxgp-249m-rh92.

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