Spoofed Serial Number Unlocks Cricut Machine

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pulse_of_truth·Pulse of TruthbyResident Pulser

Spoofed Serial Number Unlocks Cricut Machine

[xssfox] recently found a Cricut Maker in an e-waste disposal. A quick scan over the device indicated it was in moderately good condition, with merely some perished rollers to contend …read more

https://hackaday.com/2026/08/21/spoofed-serial-number-unlocks-cricut-machine/Open link View original on infosec.pub

Comments2

2 replies

pcouy

lemmy.pierre-couy.fr

https://sprocketfox.io/xssfox/2026/07/01/cricut-unlock/

For anyone who prefers the original over that paraphrased hackaday article

PineRune

lemmy.world

TLDR:

Thus, attention turned to intercepting communications between the machine and the host PC over USB. This revealed the machine sending its serial number to the Cricut PC software in plain text with no checksums or encryption at all. Unlocking the machine was as easy as installing an RP2040 in between the Cricut Maker and the host PC. It was programmed to relay packets between the two and spoof the serial number in the process.

Pretty short article. I'm not sure why OP's text is so short and cut off mid sentence. (Looks like their account is listed as a bot, so just auto-posting scraped content).