RT-AX82U: No longer able to access router via SSH

[smartbits]

I have enabled SSH through LAN only and I have selected the allow password login option but when I use Putty to login by inputting the IP address of my router and the port I input in the router settings, it just times out. I used to be able to login using SSH and I have not changed any settings. Does anyone know what might be causing it to no longer work?

I get the network error: connection timed out alert when I try to connect.