CVE-2013-5547: Cisco Asr 1001

High severity, CVSS 7.8. EPSS: 1.9% chance of exploitation in the next 30 days.

Cisco IOS XE 3.9 before 3.9.2S on 1000 ASR devices allows remote attackers to cause a denial of service (device reload) by sending malformed EoGRE packets over (1) IPv4 or (2) IPv6, aka Bug ID CSCuf08269.

Affected products

• Cisco Asr 1001
• Cisco Asr 1002
• Cisco Asr 1002-X
• Cisco Asr 1004
• Cisco Asr 1006
• Cisco Asr 1023 Router
• Cisco IOS XE: version 3.9.0s only; version 3.9.1s only

Published 2013-10-31. Last modified 2026-06-16.