http://syrion.me/blog/master-ipcam/
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5723
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5724
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5725
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5726
http://www.themadhermit.net/wp-content/uploads/2013/03/FI9821W-CGI-Commands.pdf