Browse local network with Home assistant remote access (nabucasa)

Hello everyone, i have home assistant runing on RPI 4. A TP-link router Archer MR600 V2 with a 4G GSM service provider. I can get access to home assistant from the nabucasa remote access.
i need a add on or any solution that can help me browse my local network and specialy have access to the configuration page of my router remotly from home asssistant.

TP link has tether app that allow to remote access to the router but i does not give full access when connected remotly.

Also i need a way to add an automation in home assistant when a new equipement is connected to the LAN.
Thanks for your help.