CVE-2012-1342: Cisco Carrier Routing System

Medium severity, CVSS 5.8. EPSS: 1.5% chance of exploitation in the next 30 days.

Cisco Carrier Routing System (CRS) 3.9, 4.0, and 4.1 allows remote attackers to bypass ACL entries via fragmented packets, aka Bug ID CSCtj10975.

Affected products

• Cisco Carrier Routing System: version 3.9.0 only; version 4.0.0 only; version 4.1.0 only

Published 2012-08-06. Last modified 2026-06-16.