CVE-2009-5157: Linksys WAG54G2 Firmware

High severity, CVSS 8.8. EPSS: 5.8% chance of exploitation in the next 30 days.

On Linksys WAG54G2 1.00.10 devices, there is authenticated command injection via shell metacharacters in the setup.cgi c4_ping_ipaddr variable.

Affected products

• Linksys WAG54G2 Firmware: version 1.00.10 only

Published 2019-06-11. Last modified 2026-06-16.