CVE-2014-3354: Cisco IOS

High severity, CVSS 7.8. EPSS: 3% chance of exploitation in the next 30 days.

Cisco IOS 12.0, 12.2, 12.4, 15.0, 15.1, 15.2, and 15.3 and IOS XE 2.x and 3.x before 3.7.4S; 3.2.xSE and 3.3.xSE before 3.3.2SE; 3.3.xSG and 3.4.xSG before 3.4.4SG; and 3.8.xS, 3.9.xS, and 3.10.xS before 3.10.1S allow remote attackers to cause a denial of service (device reload) via malformed RSVP packets, aka Bug ID CSCui11547.

Affected products

• Cisco IOS: version 12.0 only; version 12.2 only; version 12.4 only; version 15.0 only; version 15.1 only; version 15.2 only; …
• Cisco IOS XE: version 2.1 only; version 2.1.0 only; version 2.1.1 only; version 2.1.2 only; version 2.2 only; version 2.2.1 only; …

Published 2014-09-25. Last modified 2026-06-17.