View CSAF Summary Hitachi Energy is aware of vulnerabilities that affect RTU500 product versions listed in this document. Successful exploitation of these vulnerabilities can result in the exposure of low-value user management information and device outage. Please refer to the Recommended Immediate Actions for information about the mitigation/remediation. The following versions of Hitachi Energy RTU500 Product are affected: RTU500 series CMU Firmware vers:RTU500_series_CMU_Firmware/>=12.7.1|<=12.7.7, vers:RTU500_series_CMU_Firmware/>=13.5.1|<=13.5.4, vers:RTU500_series_CMU_Firmware/>=13.6.1|<=13.6.2, vers:RTU500_series_CMU_Firmware/>=13.7.1|<=13.7.7, 13.8.1  CVSS Vendor Equipment Vulnerabilities v3 7.5 Hitachi Energy Hitachi Energy RTU500 Product Improper Handling of Insufficient Permissions or Privileges , Incomplete List of Disallowed Inputs, Uncontrolled Recursion, Allocation of Resources Without Limits or Throttling Background Critical Infrastructure Sectors: Critical Manufacturing Countries/Areas Deployed: Worldwide Company Headquarters Location: Switzerland Vulnerabilities Expand All + CVE-2026-1772 RTU500 web interface: An unprivileged user can read user management information. The information cannot be accessed via the RTU500 web user interface but requires further tools like browser development utilities to access them without required privileges...