Buffer overflow in the Next Hop Resolution Protocol (NHRP) functionality in Cisco IOS 12.0 through 12.4 allows remote attackers to cause a denial of service (restart) and execute arbitrary code via a crafted NHRP packet.
secunia.com/advisories/26360
www.cisco.com/en/US/products/products_security_advisory09186a008089963b.shtml
www.kb.cert.org/vuls/id/201984
www.securityfocus.com/archive/1/475931/100/0/threaded
www.securityfocus.com/bid/25238
www.securitytracker.com/id?1018535
www.vupen.com/english/advisories/2007/2818
exchange.xforce.ibmcloud.com/vulnerabilities/35889
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5675