Improper check for unusual conditions in Hitachi Energy Relion 670/650 and SAM600-IO
Priority LOW 32CWE-754Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
An authenticated user with file access privilege via FTP access can cause the Relion 670/650 and SAM600-IO series device to reboot due to improper disk space management.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00446 39th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Hitachi Energy | Relion 670/650 and SAM600-IO | 2.2.6.0 – 2.2.6.3; 2.2.5.0 – 2.2.5.7; 2.2.4.0 – 2.2.4.5; 2.2.3.0 – 2.2.3.7; 2.2.2.0 – 2.2.2.6; 2.2.1.0 – 2.2.1.8; 2.2.0.0 – 2.2.0.13; 2.1.0 and later; 2.0.0 and later; 1 and later | — | No fix listed | CNA |
- Relion 670/650 and SAM600-IO VendorHitachi Energy Affected 2.2.6.0 – 2.2.6.3; 2.2.5.0 – 2.2.5.7; 2.2.4.0 – 2.2.4.5; 2.2.3.0 – 2.2.3.7; 2.2.2.0 – 2.2.2.6; 2.2.1.0 – 2.2.1.8; 2.2.0.0 – 2.2.0.13; 2.1.0 and later; 2.0.0 and later; 1 and later Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-1718
- 2026-10-03 Alias added: GHSA-4435-f3hr-hpq3
References
More Hitachi Energy vulnerabilities
- TI-2019-03985 ABB MicroSCADA Pro SYS600 Missing Authentication for Critical Function CVSS 3.1CRITICAL 9.8
- TI-2018-10635 Improper authentication in ICS-CERT ABB eSOMS CVSS 3.0CRITICAL 9.8
- TI-2024-01871 Heap-based buffer overflow in Hitachi Energy FOXMAN-UN CVSS 3.1CRITICAL 9.8
- TI-2026-07105 Path traversal in Hitachi Energy RTU500 series CMU firmware CVSS 3.1CRITICAL 9.1
- TI-2019-13270 Path traversal in Relion 670 Series CVSS 3.1CRITICAL 10.0
- TI-2026-07104 Missing authentication in Hitachi Energy RTU500 series CMU firmware CVSS 3.1CRITICAL 9.1
Sources
- CVE-2025-1718 · CVE Program
- CVE-2025-1718 · NVD
- FIRST EPSS
- GHSA-4435-f3hr-hpq3 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences