Universal Plug and Play often opens ports automatically. Log into your router and turn off UPnP. If you need remote access, use a VPN (Virtual Private Network) instead of exposing the camera directly to the internet.
This is the smoking gun. viewerframe is a term commonly found in the URL parameters of web-based interfaces for IP (Internet Protocol) cameras and DVRs (Digital Video Recorders). Manufacturers like Contax, GeoVision, and various no-name CCTV brands use filenames like viewerframe.html, viewerframe.aspx, or viewerframe.php to load the live video feed pane. inurl viewerframe mode motion my location exclusive
This is the most critical section. Legality depends on intent, jurisdiction, and action. Universal Plug and Play often opens ports automatically