CVE-2019-20488 Command injection in n/a

Critical 9.8 Published 2 Mar 2020 Updated 5 Aug 2024

Remote attackers can execute arbitrary commands on NETGEAR WNR1000V4 routers via shell metacharacters in the web management interface.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2019-20488?

CVE-2019-20488 is a critical command injection vulnerability in n/a, published on 2 Mar 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered on NETGEAR WNR1000V4 1.1.0.54 devices. Multiple actions within the web management interface (setup.cgi) are vulnerable to command injection, allowing remote attackers to execute arbitrary commands, as demonstrated by shell metacharacters in the sysDNSHost parameter.

Weakness: CWE-78

Which versions are affected by CVE-2019-20488?

It affects 1 product.

Products include Netgear Wnr1000 Firmware.

How do I fix CVE-2019-20488?

No fix has been published for CVE-2019-20488 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-2019-20488 being exploited?

There is no known exploitation of CVE-2019-20488 in the wild and no public exploit code.

Sources

Also known as GHSA-rxp5-r45j-vr8c.