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CVE-2025-40944

🗓️ 13 Jan 2026 09:44:05Reported by siemensType 
cvelist
 cvelist
🔗 www.cve.org👁 17 Views

SIMATIC ET devices mishandle Disconnect Requests on port 102, causing denial of service.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2025-40944
13 Jan 202611:01
circl
CNNVD
Siemens多款产品 资源管理错误漏洞
13 Jan 202600:00
cnnvd
CVE
CVE-2025-40944
13 Jan 202609:44
cve
EUVD
EUVD-2026-2359
13 Jan 202609:44
euvd
ICS
Siemens SIMATIC and SIPLUS products
13 Jan 202600:00
ics
NCSC
Vulnerabilities fixed in Siemens products
13 Jan 202612:05
ncsc
NVD
CVE-2025-40944
13 Jan 202610:15
nvd
Positive Technologies
PT-2026-2354
13 Jan 202600:00
ptsecurity
RedhatCVE
CVE-2025-40944
14 Jan 202610:25
redhatcve
Tenable Nessus
Siemens SIMATIC and SIPLUS products Uncontrolled Resource Consumption (CVE-2025-40944)
10 Feb 202600:00
nessus
Rows per page
[
  {
    "vendor": "Siemens",
    "product": "SIMATIC ET 200AL IM 157-1 PN",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "*",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC ET 200MP IM 155-5 PN HF",
    "versions": [
      {
        "status": "affected",
        "version": "V4.2.0",
        "lessThan": "*",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC ET 200SP IM 155-6 MF HF",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "*",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC ET 200SP IM 155-6 PN HA (incl. SIPLUS variants)",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "V1.3",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC ET 200SP IM 155-6 PN R1",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "V6.0.1",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC ET 200SP IM 155-6 PN/2 HF",
    "versions": [
      {
        "status": "affected",
        "version": "V4.2.0",
        "lessThan": "V4.2.5",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC ET 200SP IM 155-6 PN/3 HF",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "V4.2.2",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC PN/MF Coupler",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "*",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC PN/PN Coupler",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "V6.0.0",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIPLUS ET 200MP IM 155-5 PN HF",
    "versions": [
      {
        "status": "affected",
        "version": "V4.2.0",
        "lessThan": "*",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIPLUS ET 200MP IM 155-5 PN HF",
    "versions": [
      {
        "status": "affected",
        "version": "V4.2.0",
        "lessThan": "*",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIPLUS ET 200MP IM 155-5 PN HF T1 RAIL",
    "versions": [
      {
        "status": "affected",
        "version": "V4.2.0",
        "lessThan": "*",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIPLUS ET 200SP IM 155-6 PN HF",
    "versions": [
      {
        "status": "affected",
        "version": "V4.2.0",
        "lessThan": "V4.2.5",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIPLUS ET 200SP IM 155-6 PN HF",
    "versions": [
      {
        "status": "affected",
        "version": "V4.2.0",
        "lessThan": "V4.2.5",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIPLUS ET 200SP IM 155-6 PN HF T1 RAIL",
    "versions": [
      {
        "status": "affected",
        "version": "V4.2.0",
        "lessThan": "V4.2.5",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIPLUS ET 200SP IM 155-6 PN HF TX RAIL",
    "versions": [
      {
        "status": "affected",
        "version": "V4.2.0",
        "lessThan": "V4.2.5",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIPLUS NET PN/PN Coupler",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "V6.0.0",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  }
]

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09 Jun 2026 08:46Current
CVSS 3.17.5
CVSS 48.7
EPSS0.00022
17