Multiple buffer overflows in an ActiveX control in PE3DO32A.ocx in IntegraXor SCADA Server 4.00 build 4250.0 and earlier allow remote attackers to execute arbitrary code via a crafted HTML document.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2012-4625
http://www.integraxor.com/blog/security-issue-for-activex-enabled-browser-vulnerability-note