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CVE-2025-3756

🗓️ 13 Apr 2026 17:11:08Reported by ABBType 
cve
 cve
🔗 web.nvd.nist.gov👁 5 Views

Denial of service in the System 800xA IEC 61850 stack can fault interfaces or disable 61850 connectivity; Symphony Plus Operations node unaffected.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2025-3756
13 Apr 202617:11
attackerkb
Circl
CVE-2025-3756
13 Apr 202612:44
circl
CNNVD
ABB多款产品 安全漏洞
13 Apr 202600:00
cnnvd
Cvelist
CVE-2025-3756 Denial of Service Vulnerabilities in System 800xA, Symphony® Plus IEC 61850
13 Apr 202617:11
cvelist
EUVD
EUVD-2025-209425
13 Apr 202618:30
euvd
ICS
ABB System 800xA, Symphony Plus IEC 61850
13 Apr 202600:30
ics
NVD
CVE-2025-3756
13 Apr 202618:16
nvd
Positive Technologies
PT-2026-32485
13 Apr 202600:00
ptsecurity
Vulnrichment
CVE-2025-3756 Denial of Service Vulnerabilities in System 800xA, Symphony® Plus IEC 61850
13 Apr 202617:11
vulnrichment
[
  {
    "vendor": "ABB",
    "product": "AC800M (System 800xA)",
    "modules": [
      "CI868"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "6.0.0x",
        "lessThanOrEqual": "6.0.0303.0",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "6.1.0x",
        "lessThanOrEqual": "6.1.0031.0",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "6.1.1x",
        "lessThanOrEqual": "6.1.1004.0",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "6.1.1x",
        "lessThanOrEqual": "6.1.1202.0",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "6.2.0x",
        "lessThanOrEqual": "6.2.0006.0",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "ABB",
    "product": "Symphony Plus SD Series",
    "modules": [
      "CI850"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "A_0",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "A_1",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "A_2.003",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "A_3.005",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "A_4.001",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "B_0.005",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "ABB",
    "product": "Symphony Plus MR (Melody Rack)",
    "modules": [
      "PM 877"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "3.10",
        "lessThanOrEqual": "3.52",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "ABB",
    "product": "S+ Operations",
    "versions": [
      {
        "status": "affected",
        "version": "2.1",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "2.2",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "2.3",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "3.3",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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19 May 2026 15:06Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.16.5
CVSS 47.1
EPSS0.00027
SSVC
5