Unspecified vulnerability in Cisco IOS 12.4, when NAT SCCP fragmentation support is enabled, allows remote attackers to cause a denial of service (device reload) via crafted Skinny Client Control Protocol (SCCP) packets, aka Bug ID CSCsy09250.
http://www.vupen.com/english/advisories/2010/0708
http://www.securitytracker.com/id?1023739
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b20ee6.shtml