CVE-2019-20488: NETGEAR WNR1000 Firmware

Critical severity, CVSS 9.8. EPSS: 2.1% chance of exploitation in the next 30 days.

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.

Affected products

• NETGEAR WNR1000 Firmware: version 1.1.0.54 only

Published 2020-03-02. Last modified 2026-06-17.