This is a terrible idea. At least if there's no way to opt out of it! And esp. if it doesn't auto log out the original user after some timeout.

Why? Because I may no longer remember which device/connection I used originally or may no longer have access to that device or connection.

What if that computer dies? I can't use my new computer to connect to admin UI without doing a factory reset of router?? Or I have to clone MAC address?

In my case, I originally set up via ethernet cable, but after I disconnected and connected to wifi, the same device could not log in, getting this error instead! (because different interface has different mac address)