Heap-based buffer overflow in HistorySvr.exe in WellinTech KingView 6.53 allows remote attackers to execute arbitrary code via a long request to TCP port 777.
https://exchange.xforce.ibmcloud.com/vulnerabilities/64559
http://www.vupen.com/english/advisories/2011/0063
http://www.kingview.com/news/detail.aspx?contentid=528
http://www.kb.cert.org/vuls/id/180119
http://www.cnnvd.org.cn/showCnnvd.html?id=2011010108
http://thesauceofutterpwnage.blogspot.com/2011/01/waking-up-sleeping-dragon.html
http://securityreason.com/securityalert/8134