Here’s a note for the interwebs. The GigaSet SE 551 adsl/cable router firmware is really quite nice, and gets a lot of things right. Sadly, the same cannot be said for the people who run their website.
Unfortunately, like all software, you may need to upgrade it from time to time. The firmware is shipped on their site as a Windows EXE, despite consisting only of a readme file and the BIN that you upload into the router. What is a humble Linux or Mac user to do?
Fortunately, the Windows EXE is only a Winzip self extractor. Here’s the magic incantation to get your grubby paws on it using Linux:
Probably, a similar trick will work on MacOS.