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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Hitachi Energy | Relion 670/650 and SAM600-IO | 2.2.6.0 – ≤ 2.2.6.2, 2.2.5.6, 2.2.4.4, 2.2.3.7, 2.2.2.6 | — |
Advisories 2
- ICSA-25-182-06 Hitachi Energy Relion 670/650 and SAM600-IO Series (Update A) CISA ICS & IT advisories · Aug 26, 2025
- WID-SEC-2025-1392 Hitachi Energy Relion 650/670 series: Mehrere Schwachstellen ermöglichen Denial of Service BSI CERT-Bund (WID) · Jun 24, 2025