RT-AX82U: Break wifi without acces to web ui

[NelleYn]

Router Model Affected
Models: (RT-AX82U)

Firmware Version Affected
3004.388.8_2-gnuton1

Is this bug present in upstream Merlin releases too?
Yes

Describe the bug
After upgrading to 3004.388.8_2-gnuton1 from the original firmware, I noticed that wifi 5 stopped working and I tried to reset the router to factory settings and wifi 2.4 stopped working

now I can't connect to the web panel with wifi and also with cable

but I noticed that the network for setting up still works, but I see it only from the steamdeck but I can't connect to it

And i have internet connection if i connect cabel into lan instead wan
default router ip 192.168.50.1 not available

Screenshots
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