CVE-2013-0126: Verizon Fios Actiontec MI424WR-GEN31 Router

Medium severity, CVSS 6.8. EPSS: 2.9% chance of exploitation in the next 30 days.

Multiple cross-site request forgery (CSRF) vulnerabilities in index.cgi on the Verizon FIOS Actiontec MI424WR-GEN3I router with firmware 40.19.36 allow remote attackers to hijack the authentication of administrators for requests that (1) add administrative accounts via the username and user_level parameters or (2) enable remote administration via the is_telnet_primary and is_telnet_secondary parameters.

Affected products

• Verizon Fios Actiontec MI424WR-GEN31 Router
• Verizon Fios Actiontec MI424WR-GEN31 Router Firmware: version 40.19.36 only

Published 2013-03-21. Last modified 2026-06-16.