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EU cyber resilience act

EU CRA: Essential Requirements Related to Vulnerability Handling

According to Annex I Part II of the EU CRA, manufacturers must actively search for vulnerabilities in their embedded devices, fix them and publicly disclose them to their users and the cybersecurity authorities. Manufacturers must implement a process to release their devices without any know vulnerabilities and to keep their devices free of vulnerabilities during the whole product lifetime by providing security updates in a timely manner.

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EU CRA: Essential Requirements Related to Product Properties

Every manufacturer must implement the essential requirements in Annex 1 Part 1 of the EU CRA in their products. They must also document how they comply with the essential requirements in a conformity assessment. The wording of the essential requirements is very generic and hard to understand. Germany’s Federal Office of Information Security (BSI) published a Technical Guideline (PDF) that translates the legalese of the EU CRA into concrete and actionable requirements. I will add lots of examples from my work with embedded Linux devices to illustrate the requirements.

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Embedded Devices Covered by EU Cyber Resilience Act (CRA)

Which devices are covered by the EU Cyber Resilience Act (EU CRA)?

  • An X-ray fluorescence (XRF) analyser connected with the Internet over WiFi.
  • A metal-sheet bending machine with an Ethernet port, which will only be used in the future.
  • The harvester ECUs connected over CAN bus.
  • A camera trap without any connectivity, where updates and photos are exchanged via SD card.
  • A full-body 3D X-ray scanner used by doctors.
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