Stack-based buffer overflow in the SetActiveXGUID method in the VersionInfo ActiveX control in GenVersion.dll 8.0.138.0 in the WebHMI subsystem in ICONICS BizViz 9.x before 9.22 and GENESIS32 9.x before 9.22 allows remote attackers to execute arbitrary code via a long string in the argument.  NOTE: some of these details are obtained from third party information.