cvedb.io
CVE-2026-1773
HIGH · CVSS 7.5
EPSS exploitation probability: 0%
Published 2026-02-24T14:16:22.420 · Last modified 2026-06-17T10:16:29.673

Summary

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.

Affected products

hitachienergy — rtu540_firmware

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.