CVE-2005-2841: Cisco IOS

High severity, CVSS 7.5. EPSS: 14.1% chance of exploitation in the next 30 days.

Buffer overflow in Firewall Authentication Proxy for FTP and/or Telnet Sessions for Cisco IOS 12.2ZH and 12.2ZL, 12.3 and 12.3T, and 12.4 and 12.4T allows remote attackers to cause a denial of service and possibly execute arbitrary code via crafted user authentication credentials.

Affected products

• Cisco IOS: version 12.2zh only; version 12.2zl only; version 12.3 only; version 12.3t only; version 12.4 only; version 12.4t only

Published 2005-09-08. Last modified 2026-06-16.