Hitachi Energy Rtu520 Firmware vulnerabilities
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Published CVEs affecting Hitachi Energy Rtu520 Firmware: 2 record(s), with affected versions and fixes.cpe:2.3:o:hitachienergy:rtu520_firmware
CVE-2026-1773
High · 7.5
CWE-184 Feb 24, 2026
IEC 60870-5-104 used in RTU500: Potential Denial of Service impact on reception of…
IEC 60870-5-104 used in RTU500: Potential Denial of Service impact on reception of invalid U-format frame. Product is only affected if IEC 60870-5-104 bi-directional functionality is configured. Enabling secure communication following IEC 62351-3 does not remediate the vulnerability but mitigates the risk of exploitation.
CVE-2026-1772
Medium · 5.3
CWE-280 Feb 24, 2026
RTU500 web interface: An unprivileged user can read user management information. The…
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.