Two students find security bug that could let millions do laundry for free - eviltoast
  • PM_Your_Nudes_Please@lemmy.world
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    6 months ago

    Here’s a reminder that most washing machines use a universal key, which you can buy online for like $5. You can just pop it open and hit the little “coin inserted” switch to make it think you paid.

      • PM_Your_Nudes_Please@lemmy.world
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        6 months ago

        I mean, the owner can choose to re-key it. But there are only a few manufacturers for them. Most laundromats use Speed Queen machines, for instance. And the manufacturer ships them with a single universal key, so the owner isn’t left juggling like forty different keys for a single laundromat. If every machine had a unique key, the owners would need to have a bunch of different keys just to service everything at the end of the day.