CVE-2007-2334: Nortel Contivity

High severity, CVSS 7.5. EPSS: 1.6% chance of exploitation in the next 30 days.

Nortel VPN Router (aka Contivity) 1000, 2000, 4000, and 5000 before 5_05.149, 5_05.3xx before 5_05.304, and 6.x before 6_05.140 has two template HTML files lacking certain verification tags, which allows remote attackers to access the administration interface and change the device configuration via certain requests.

Affected products

• Nortel Contivity: version 1000_vpn_switch only; version 2000_vpn_switch only; version 4000_vpn_switch only
• Nortel VPN Router 5000: any version

Published 2007-04-27. Last modified 2026-06-16.