I used to run an online test for RomPager vulnerabilities here, but have since disabled it. You can still find a link to the source code below.
Background: The company Check Point issued a warning about a security vulnerability called Misfortune Cookie (CVE-2014-9223) in the RomPager HTTP server. RomPager is part of many firmwares on embedded devices like SOHO routers.
This tool will check the header send by a HTTP server for a Rom Pager Signature. It will warn you if your version is vulnerable. It will also check for older RomPager vulnerabilities (CVE-2013-6786, CVE-2000-0470).
Check Point advises people to buy their personal firewall (ZoneAlarm), which is almost certainly not helpful at all.
This tool is provided by Hanno Böck, code available on github