The device was installed with "anonymous viewing" enabled by default.
When a user enters inurl:/view/index.shtml into a search engine, Google returns a list of indexed web pages that contain that specific URL structure. Because these cameras are designed to serve a webpage for remote viewing, Google's crawlers index them like any other site if they are not protected by a firewall or a robots.txt file. Types of Exposed Content
Accessing or interacting with private security systems without authorization may violate privacy laws or computer misuse acts in various jurisdictions. If you own such a device, it is recommended to set a strong password and disable anonymous viewing in the network settings.