Security Advisory

CVE-2026-1773

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-02-24 13:13:17

Last updated 2026-05-27 14:50:01

Assigner Hitachi Energy

State PUBLISHED

Description

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.

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