CVE-2011-3283: Cisco Carrier Routing System

Medium severity, CVSS 5.0. EPSS: 1.5% chance of exploitation in the next 30 days.

Cisco Carrier Routing System 3.9.1 allows remote attackers to cause a denial of service (Metro subsystem crash) via a fragmented GRE packet, aka Bug ID CSCts14887.

Affected products

• Cisco Carrier Routing System: version 3.9.1 only

Published 2012-05-02. Last modified 2026-06-16.