The NamoInstaller.NamoInstall.1 ActiveX control in NamoInstaller.dll 3.0.0.1 and earlier in Namo Web Editor in Sejoong Namo ActiveSquare 6 allows remote attackers to execute arbitrary code via a URL in the argument to the Install method. NOTE: some of these details are obtained from third party information.

More... (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2008-0551)