CVE-2006-2267: Kerio Winroute Firewall

Medium severity, CVSS 5.0. EPSS: 3.2% chance of exploitation in the next 30 days.

Kerio WinRoute Firewall before 6.2.1 allows remote attackers to cause a denial of service (application crash) via unknown vectors in the "email protocol inspectors," possibly (1) SMTP and (2) POP3.

Affected products

• Kerio Winroute Firewall: version 5.0.1 only; version 5.0.2 only; version 5.0.3 only; version 5.0.4 only; version 5.0.5 only; version 5.0.6 only; …

Published 2006-05-09. Last modified 2026-06-16.