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Hack Linnar Viik's lawnmower

Lawnmower's immobilizer prevents using the lawmower. Disable the PIN code and claim the device. This job requires some specific skills - use Bus Pirate as SPI bus master to access the Flash chip on the device. First dump the existing firmware as-is. Enter the PIN incorrectly again and attempt to identify which part of the Flash counts the invaid PIN code attempts. Try to reset the counter first.

email lauri@koodur.com

  • Author

    Lauri Võsandi

Relevant keywords:

  • SPI

Relevant inventory:

  • Bus Pirate