The hamgr service in the IPv6 Proxy Mobile (PM) implementation in Cisco StarOS 18.1.0.59776 on ASR 5000 devices allows remote attackers to cause a denial of service (service reload and call-processing outage) via malformed PM packets, aka Bug ID CSCut94711.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2015-0724
http://www.securitytracker.com/id/1032213
http://tools.cisco.com/security/center/viewAlert.x?alertId=38557