CVE-2004-0998: Telnetd

High severity, CVSS 7.5. EPSS: 5.5% chance of exploitation in the next 30 days.

Format string vulnerability in telnetd-ssl 0.17 and earlier allows remote attackers to execute arbitrary code.

Affected products

• Telnetd Telnetd: version 0.17.18 only; version 0.17.25 only
• Telnetd Telnetd-SSL: version 0.17.17_0.1.1 only; version 0.17.17_0.1.2 only

Published 2004-12-23. Last modified 2026-06-16.