CVE-2025-2403
High
Description
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductRelion 670/650 and SAM600-IO
PublishedJun 24, 2025
First seenJun 24, 2025
Weakness typeCWE-770Allocation of resources without limits
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Hitachi Energy Relion 670/650 and SAM600-IO | 2.2.6.0 ≤ v ≤ 2.2.6.2, 2.2.5.6, 2.2.4.4, 2.2.3.7, 2.2.2.6 | — |
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