Stack-based buffer overflow in sipd.dll in AGEphone 1.24 and 1.38.1 allows remote attackers to execute arbitrary code via a crafted UDP SIP packet.
https://exchange.xforce.ibmcloud.com/vulnerabilities/27944
http://www.vupen.com/english/advisories/2006/2959
http://www.securityfocus.com/archive/1/441086/100/100/threaded