CVE-2026-1773

CVSS Score & Metrics

Base Score

7.5 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H                                    

Vulnerability Description

IEC 60870-5-104: 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.

Vulnerability Details

Published Date

February 24, 2026

Last Modified

February 27, 2026

CWE ID

CWE-184

Source

NVD

Vendor

hitachienergy

Product

rtu540_firmware

External References

https://publisher.hitachienergy.com/preview?DocumentID=8DBD000237&LanguageCode=en&DocumentPartId=&Action=Launch

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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