Netgear R7800
From DD-WRT Wiki
Installation
From Netgear Stock Firmware GUI Method: Download and flash the factory-to-ddwrt.img file from Brainslayer's download locations. See Where do I download firmware?
Netgear uses a default IP address of 192.168.1.1
- Default Username: admin,
- Default Password: password
Go to the Administration page - then Upgrade (or something similar).
You will see a notice about the file you uploaded being older than the firmware currently on the router. Click Yes to proceed.
The router will flash DD-WRT.
Wait a few minutes to refresh the browser page for 192.168.1.1. Then log into DD-WRT at 192.168.1.1. You should see a screen asking you to create a new username and new password.