TRO600 Series Firmware — security advisory

{
  "id": "77033fcfa57bdf46c5641c0e882d82ee6147407ccdd90a8c300e41a21d4f925d",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-10756",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-10756",
    "summary": "TRO600 contains a vulnerability that allows an authenticated attacker to bypass network access restrictions and access services intended to be reachable only from localhost. By leveraging port forwarding, an attacker can interact with locally bound ports and services, resulting in unauthorized access to sensitive functionality and confidential information, and causing availability impact.",
    "evidence": "cve:CVE-2026-10756",
    "products": [
      {
        "name": {
          "value": "TRO600 Series Firmware",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-10756",
      "aliases": [
        "CVE-2026-10756"
      ],
      "metrics": [
        {
          "format": "CVSS",
          "cvssV4_0": {
            "Safety": "NOT_DEFINED",
            "version": "4.0",
            "Recovery": "NOT_DEFINED",
            "baseScore": 7.7,
            "Automatable": "NOT_DEFINED",
            "attackVector": "NETWORK",
            "baseSeverity": "HIGH",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "exploitMaturity": "NOT_DEFINED",
            "providerUrgency": "NOT_DEFINED",
            "userInteraction": "NONE",
            "attackComplexity": "HIGH",
            "attackRequirements": "PRESENT",
            "privilegesRequired": "LOW",
            "subIntegrityImpact": "NONE",
            "vulnIntegrityImpact": "HIGH",
            "subAvailabilityImpact": "NONE",
            "vulnAvailabilityImpact": "HIGH",
            "subConfidentialityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "affected": [
        {
          "vendor": "Hitachi Energy",
          "product": "TRO600 Series Firmware",
          "versions": [
            {
              "status": "affected",
              "version": "9.0.0.0",
              "versionType": "custom",
              "lessThanOrEqual": "9.2.1.6"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "modified": "2026-10-27T11:56:05.906Z",
      "provider": "cve",
      "references": [
        "https://publisher.hitachienergy.com/preview?DocumentID=8DBD000224&LanguageCode=en&DocumentPartId=&Action=Launch"
      ],
      "provider_metadata": {
        "cna": {
          "orgId": "e383dce4-0c27-4495-91c4-0db157728d17",
          "shortName": "Hitachi Energy",
          "dateUpdated": "2026-10-27T11:56:05.906Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-10756",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 391948,
  "published_at": "2026-10-27T11:56:05.906+00:00"
}