The Cisco Firewall Services Module (FWSM) 4.0 before 4.0(8), as used in for the Cisco Catalyst 6500 switches, Cisco 7600 routers, and ASA 5500 Adaptive Security Appliances, allows remote attackers to cause a denial of service (crash) via a malformed Skinny Client Control Protocol (SCCP) message.
https://exchange.xforce.ibmcloud.com/vulnerabilities/56333
http://www.vupen.com/english/advisories/2010/0418
http://www.securitytracker.com/id?1023609
http://www.securityfocus.com/bid/38274
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b1910e.shtml
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b1910c.shtml