Extract Boot Files from Stock Firmware

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  1. Download the firmware for your device from Buffalo's site
  2. Unzip the firmware file and locate the directory containing LSUpdater.exe or TSUpdater.exe
  3. locate the correct initrd.img and uImage.img for your device (usually there is only one, if there are more they typically include the corresponding device model in the name)
  4. These files are actually password protected zip files, the password will be one of the following:
    1NIf_2yUOlRDpYZUVNqboRpMBoZwT4PzoUvOPUp6l
    aAhvlM1Yp7_2VSm6BhgkmTOrCN1JyE0C5Q6cB3oBB
    YvSInIQopeipx66t_DCdfEvfP47qeVPhNhAuSYmA4
    IeY8omJwGlGkIbJm2FH_MV4fLsXE8ieu0gNYwE6Ty

    Source: https://web.archive.org/web/20180525041523/http://buffalo.nas-central.org/wiki/Firmware_password

  5. unzip initrd.img, it should contain initrd.buffalo. It might have a slightly different name, if so rename it to initrd.buffalo
  6. unzip uImage.img, it should contain one or more uImage files. If there are more than one rename the one for your device to uImage.buffalo (this may require trial and error to determine)

These files can then be used to boot the device into Emergency Mode as described in: