[old curmudgeon]

Yes, printers can be intrusive and that sucks.

But your problem is with your router.

The password for my router is l-o-n-g with a crazy mix of letters, upper and lower, symbols, numbers, etc., and there is no app available that can break it within the hacker’s life time.

https://www.csoonline.com/article/3228106/want-stronger-passwords-understand-these-4-common-password-security-myths.html

[Hardastarboard]

I understand the idea of a brute force attack, but don’t a lot of logins time out after three or so failed attempts?