Stack-based buffer overflow in the PTZCamPanelCtrl ActiveX control (CamPanel.dll) in RTS Sentry 2.1.0.2 allows remote attackers to execute arbitrary code via a long second argument to the ConnectServer method.
https://www.exploit-db.com/exploits/4918
https://exchange.xforce.ibmcloud.com/vulnerabilities/39725
http://www.securityfocus.com/bid/27304