cgi-bin/read.cgi in WebSCADA WS100 and WS200, Easy Connect EC150, Modbus RTU - TCP Gateway MB100, and Serial Ethernet Server SS100 on the IntelliCom NetBiter NB100 and NB200 platforms allows remote authenticated administrators to execute arbitrary code by using a config.html 2.conf action to replace the logo page's GIF image file with a file containing this code, a different vulnerability than CVE-2009-4463.