The worst approach requires you to download a file to your computer, and then upload it to the router.
Select firmware zip file and wait till it is being updated.
Updating the firmware on a router is a major pain the neck.
While every article about routers says to regularly update the firmware, none talk about the problems.
And many times, it’s the fact that your router knows better than to let them in that prevents them from taking over each and every device connected to your home network.
For the most part, every router does a fantastic job at protecting you from all the evildoers on the internet.