CVE-2011-2549: Cisco Asr 9006 Router

High severity, CVSS 7.8. EPSS: 1.7% chance of exploitation in the next 30 days.

Unspecified vulnerability in Cisco IOS XR 4.1.x before 4.1.1 on Cisco Aggregation Services Routers (ASR) 9000 series devices allows remote attackers to cause a denial of service (line-card reload) via an IPv4 packet, aka Bug ID CSCtr26695.

Affected products

• Cisco Asr 9006 Router
• Cisco Asr 9010 Router
• Cisco IOS XR: version 4.1.0 only

Published 2011-07-28. Last modified 2026-06-16.