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CVE-2026-1773

🗓️ 24 Feb 2026 13:13:17Reported by Hitachi EnergyType 
cvelist
 cvelist
🔗 www.cve.org👁 17 Views

Denial of service from invalid U-format frames when bi-directional IEC 60870-5-104 is enabled; secure communication mitigates risk but does not remediate.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-1773
24 Feb 202617:02
circl
CNNVD
Hitachi Energy RTU500 安全漏洞
24 Feb 202600:00
cnnvd
CVE
CVE-2026-1773
24 Feb 202613:13
cve
EUVD
EUVD-2026-8462
24 Feb 202613:13
euvd
NVD
CVE-2026-1773
24 Feb 202614:16
nvd
OSV
CVE-2026-1773
24 Feb 202614:16
osv
Positive Technologies
PT-2026-21677
24 Feb 202600:00
ptsecurity
RedhatCVE
CVE-2026-1773
25 Feb 202616:16
redhatcve
Tenable Nessus
Hitachi Energy RTU500 Product Incomplete List of Disallowed Inputs (CVE-2026-1773)
4 Mar 202600:00
nessus
Vulnrichment
CVE-2026-1773
24 Feb 202613:13
vulnrichment
Rows per page
[
  {
    "vendor": "Hitachi Energy",
    "product": "RTU500 series CMU firmware",
    "versions": [
      {
        "status": "affected",
        "version": "12.7.1",
        "lessThanOrEqual": "12.7.7",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "13.5.1",
        "lessThanOrEqual": "13.5.4",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "13.6.1",
        "lessThanOrEqual": "13.6.2",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "13.7.1",
        "lessThanOrEqual": "13.7.7",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "13.8.1",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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