The answer lies in the history of embedded devices.
The search term is a common Google Dork used to find publicly accessible IP cameras. This specific URL pattern is the default public page for network cameras from brands like Axis Communications. Why This is a Security Risk
Better yet, implement or a login portal before accessing any *.shtml file.
path is frequently associated with default configurations of older Axis network cameras. Default Public Page:
The man tucked the items into the floor, replaced the wood, and stood up. Just as he turned to leave, a second figure appeared in the doorway. This one was dressed in a dark suit, face obscured by the shadow of the hallway. No words were exchanged. The man by the desk raised his hands, his expression shifting from panic to a cold, resigned terror. The feed cut to black. Elias waited. Five seconds. Ten. He hit refresh. 404 Not Found. He tried the root directory. Access Denied.