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ICSA-26-062-03  ·  Published 2026-03-03  ·  View on CISA ICS-CERT ↗

Hitachi Energy RTU500 Product

CVSS 7.5 HIGH

CVEs (4)

Remediations

  • Update to CMU Firmware version 12.7.8
  • Follow general mitigation factors/workarounds
  • Update to CMU Firmware version 13.7.8 or latest
  • Update to CMU Firmware version 13.8.2

Affected Vendors

Hitachi Energy

Affected Products (5)

Hitachi Energy · RTU500 series CMU Firmware vers:RTU500_series_CMU_Firmware/>=12.7.1|<=12.7.7
Hitachi Energy · RTU500 series CMU Firmware vers:RTU500_series_CMU_Firmware/>=13.5.1|<=13.5.4
Hitachi Energy · RTU500 series CMU Firmware vers:RTU500_series_CMU_Firmware/>=13.6.1|<=13.6.2
Hitachi Energy · RTU500 series CMU Firmware vers:RTU500_series_CMU_Firmware/>=13.7.1|<=13.7.7
Hitachi Energy · RTU500 series CMU Firmware 13.8.1

Affected Sectors

Critical Manufacturing

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