Have a specific camera model? Inspect the network traffic via Chrome Developer Tools (F12) while clicking "High Quality" in the web interface. The query string you see there is your unique key to index.shtml .
Search engines sometimes see strings like this in hacked sites (injecting keywords like “extra quality” to rank for unrelated terms). view index shtml camera extra quality
: Turn off Universal Plug and Play (UPnP) on your router to prevent the camera from automatically opening ports to the internet. Updating Firmware Have a specific camera model