Most modern routers allow you to backup the configuration of the router into a file, and then restore the configuration from the file when it´s needed.

Most modern routers allow you to backup the configuration of the router into a file, and then restore the configuration from the file when it´s needed.
The backup file of the router usually contains important data like your ISP user name/password, the login password of the router, and wireless network keys.

If you lost one of these password/keys, but you still have a backup file of your router configuration, RouterPassView might help you to recover your lost password from your router file.

System Requirements:

This utility works on any version of Windows, starting from Windows 2000 and up to Windows 7.
RouterPassView supports limited number of router models. See below.

Supported Routers:
Linksys WRT54GL, and possibly similar models.
Edimax BR6204WG, and possibly similar models.
Siemens ADSL SL2-141, and possibly similar models.
Dynalink RTA1025W, and possibly similar models.
NETGEAR WGT624, and possibly similar models.
ASUS WL-520g, and possibly similar models.
COMTREND 536+ (Only Internet Login)
US Robotics 9108 ADSL (internet login and admin login)
D-Link DSL-2540U/BRU/D ADSL2+

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