CVE-2014-2176: Cisco Asr 9001

High severity, CVSS 7.1. EPSS: 2.8% chance of exploitation in the next 30 days.

Cisco IOS XR 4.1.2 through 5.1.1 on ASR 9000 devices, when a Trident-based line card is used, allows remote attackers to cause a denial of service (NP chip and line card reload) via malformed IPv6 packets, aka Bug ID CSCun71928.

Affected products

• Cisco Asr 9001
• Cisco Asr 9006
• Cisco Asr 9010
• Cisco Asr 9904
• Cisco Asr 9912
• Cisco Asr 9922
• Cisco IOS XR: version 4.1.2 only; version 4.2.0 only; version 4.3.1 only; version 5.1.0 only; version 5.1.1 only

Published 2014-06-14. Last modified 2026-06-17.