Really it depends on your router model... Firmware for routers change all the time.
Can you PM me so I can speak to you about this privately?
So I would be better off asking the current Author if I could take-over the project?
Although the user hasn't been on since Dec 22, 2014 :P
So, I wouldn't under this:
Everyone is permitted to copy and...
Do you need permission from a abandoned project's owner to repost their plugin but update it?
Separate names with a comma.