DLinkPasswordDecryptor 2.5 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The program lies within Security Tools, more precisely General. This free software was originally designed by SecurityXploded. We recommend checking the downloaded files with any free antivirus.
From the developer:
DLink Password Decryptor is a free desktop tool to instantly recover the Login Password of D-Link modem/router. If you have lost login authentication password of your D-link modem and you have backup configuration file then you can use this tool to quickly get your password back.
You may want to check out more software, such as PrintOnly, which might be similar to DLinkPasswordDecryptor.