Wrong Password bug

[andreas85]

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[freggel.doe]

@Eduard_Lex

But if pacman can’t fix it via updates, and kernel is not it, then what could it be?

Configuration or user error.
Try deleting the connection from Networkmanager and start from scratch.

[Eduard_Lex]

Alright, everyone, pack it up. The problem was in the router itself and I had to call technicians to fix it. Thank you everyone who tried to help. However, updating the system through sudo pacman -Syyuu did help a bit, as my system was outdated.
If something like that happens again, reset your router by holding reset button for 5+ seconds until the lights blink, then use the base password. At least it applies to routers that have reset buttons, like TP-Link ones.