Mine is one of the Netgears that looks like a stealth fighter jet, with antennas.
I have no idea what I’m doing.
:)
Sounds like some version of a Nighthawk router.
The easy part is step 2, disabling your UPnP, which goes something like this IF it is one of the listed routers:
https://kb.netgear.com/24306/How-do-I-enable-Universal-Plug-and-Play-on-my-Nighthawk-router
The hard part is step 1, configuring your router to reconnect to your ISP and your devices after you reset it, erasing your router passwords and special settings. Actually, it's not usually hard to do, it just takes time to explain.