CVE-2025-2403: high-severity vulnerability in Hitachi Energy Relion 670/650 and SAM600-IO
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 0.4%
A denial-of-service vulnerability due to improper prioritization of network traffic over protection mechanism exists in Relion 670/650 and SAM600-IO series device that if exploited could potentially cause critical functions like LDCM (Line Distance Communication Module) to malfunction.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected products
Hitachi Energy · Relion 670/650 and SAM600-IORelated CVEs — Hitachi Energy Relion 670/650 and SAM600-IO
In the same product, most dangerous first.