If you have a D-link router and you have save the last configuration in backupsetting.conf file
and after some months you have lost the login and the password you can use the following tool to
retrieve the sername and the password from backupsetting.conf.
The tool is the following:
DLink Password Decryptor
and you can download it from this url:
http://securityxploded.com/dlink-password-decryptor.php#DLinkPasswordDecryptor_Download