Why would you want to install _any_ editor on a router? If you can ssh into it, you can use Tramp to edit files on it in your full-sized Emacs session, and save

Why would you want to install _any_ editor on a router? If you can ssh into it, you can use Tramp to edit files on it in your full-sized Emacs session, and save what must be scarce storage space on the router besides.