Denial of Service Vulnerability in Cisco Firewall Services Module for Catalyst 6500 and 7600 Routers
CVE-2009-0638

Currently unrated

Key Information:

Vendor: Cisco
Status: Firewall Services Module
Vendor: CVE Published:; 21 August 2009

What is CVE-2009-0638?

The Cisco Firewall Services Module (FWSM) for Catalyst 6500 and 7600 series routers is susceptible to a denial of service vulnerability caused by the processing of malformed ICMP messages. Attackers can leverage this flaw to create traffic-handling outages, significantly disrupting network operations and accessibility. It is essential for organizations using affected versions to apply the recommended updates to mitigate this risk.

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