Hacking the Sumup Solo Payment Terminal + DOOM

This videos tells you about how I found 3 issues in the Sumup Solo Payment Terminal.

The issues where disclosed to Sumup in private and closed, said by Sumup, in newer Firmware version

Timeline:
20.03.2022 - Release of "Doom" video on Twitter, without disclosing any exploit or issues

23.03.2022 - Contacted by the Security team of Sumup followed by a disclose of the issues shown in this video to Sumup

18.02.2023 - An E-Mail written to Sumup with info about the release of the issues after 1 Year

21.02.2023 - Answer from Sumup and acknowledge of the releasing from Sumup

22.02.2023 - Release of this video to Sumup via E-Mail

23.02.2023 - Release of this video and the shown issues to the Public


Find the mentioned Twitter posts here:
  / 1505591252766576645  
  / 1506024219540606978  
  / 1487084797382037504  
  / 1485660721493028873  
  / 1484506242370478083  


Doom used:
https://github.com/maximevince/fbDOOM