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ICSA-26-062-02  ·  Published 2026-03-03  ·  View on CISA ICS-CERT ↗

Hitachi Energy Relion REB500 Product

CVSS 6.8 MEDIUM

Remediations

  • Hitachi Energy recommends that users update to version 8.3.3.1.
  • For CVE-2026-2459, as a mitigation strategy, users may also disable the Installer role and enable it only during the firmware update process.
  • Update to version 8.3.3.1
  • Apply general mitigation factors

Affected Vendors

Hitachi Energy

Affected Products (1)

Hitachi Energy · Relion REB500 vers:Relion_REB500/<=8.3.3.0

Affected Sectors

Energy

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