CVE-2015-0776: Cisco IOS XR

Medium severity, CVSS 5.0. EPSS: 1.4% chance of exploitation in the next 30 days.

telnetd in Cisco IOS XR 5.0.1 on Network Convergence System 6000 devices allows remote attackers to cause a denial of service (device reload) via a malformed TELNET packet, aka Bug ID CSCuq31566.

Affected products

• Cisco IOS XR: version 5.0.1 only

Published 2015-06-12. Last modified 2026-06-17.