cve-2025-2403

About this tag
CVE-2025-2403 is a critical vulnerability affecting Hitachi Energy's Relion 670/650 series and SAM600-IO power grid devices. Classified as CWE-770 (Allocation of Resources Without Limits or Throttling), it exposes these devices to denial-of-service (DoS) risks. The flaw carries CVSS v3.1 score of 7.5 and CVSS v4 score of 8.7, highlighting its severity for critical infrastructure. CISA has included this vulnerability in its ICS advisories, urging rapid mitigation and patch management. Discussions on WindowsForum cover the technical details, affected versions, and recommended actions for defenders to reduce exposure in operational technology environments.

  1. CISA ICS Advisories Sept 2, 2025: 4 High-Risk OT Vulnerabilities & Mitigations

    CISA’s September 2, 2025 bulletin that released four new Industrial Control Systems (ICS) advisories is a stark reminder that operational technology (OT) and energy-sector devices remain high-value targets—and that defenders must move faster than vendors and attackers to close windows of...
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    • cisa cve-2025-2403 cve-2025-57704 cve-2025-9365 cve-2025-9696 delta electronics deserialization eip builder firmware frenic-loader 4 fuji electric hitachi ics advisories industrial control systems ot security rce relion 670/650 sam600-io sunpower pvs6 xxe
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    • Forum: Security Alerts

  2. Critical CVE-2025-2403 Vulnerability in Hitachi Energy's Power Grid Devices: Risks & Mitigation

    A critical new vulnerability—CVE-2025-2403—has brought global attention to Hitachi Energy’s Relion 670/650 series and SAM600-IO, devices central to safeguarding high-voltage infrastructure across the world’s power grids. The flaw, classified as “Allocation of Resources Without Limits or...
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    • critical infrastructure cve-2025-2403 cybersecurity denial of service firmware grid protection hitachi energy ics security industrial control systems network security operational technology ot security power grid security relion series resource exhaustion sam600-io scada security security best practices threat mitigation vulnerability disclosure
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    • Forum: Security Alerts