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CVE-2025-40743

🗓️ 12 Aug 2025 11:17:03Reported by siemensType 
cve
 cve
🔗 web.nvd.nist.gov👁 54 Views

CVE-2025-40743: SINUMERIK VNC auth flaw enables unauthorized remote access, risking confidentiality, integrity, availability

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
bdu_fstec
BDU FSTEC
Siemens Sinumerik PLC Authentication Bypass
9 Jan 202600:00
–bdu_fstec
circl
Circl
CVE-2025-40743
12 Aug 202515:03
–circl
cnnvd
CNNVD
Siemens’ various products have security vulnerabilities
12 Aug 202500:00
–cnnvd
cvelist
Cvelist
CVE-2025-40743
12 Aug 202511:17
–cvelist
euvd
EUVD
EUVD-2025-24245
3 Oct 202520:07
–euvd
ics
ICS
Siemens SINUMERIK
12 Aug 202500:00
–ics
ncsc
NCSC
Vulnerabilities fixed in Siemens products
12 Aug 202513:03
–ncsc
nvd
NVD
CVE-2025-40743
12 Aug 202512:15
–nvd
ptsecurity
Positive Technologies
PT-2025-32652 · Siemens · Sinumerik 828D Ppu.4 +6
12 Aug 202500:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2025-40743: Authentication Bypass Using an Alternate Path or Channel
12 Aug 202500:00
–rapid7
Rows per page
Vulners
[
  {
    "vendor": "Siemens",
    "product": "SINUMERIK 828D PPU.4",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "V4.95 SP5",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SINUMERIK 828D PPU.5",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "V5.25 SP1",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SINUMERIK 840D sl",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "V4.95 SP5",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SINUMERIK MC",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "V1.25 SP1",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SINUMERIK MC V1.15",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "V1.15 SP5",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SINUMERIK ONE",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "V6.25 SP1",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SINUMERIK ONE V6.15",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "V6.15 SP5",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  }
]

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17 Jun 2026 09:22Current
7.5High risk
Vulners AI Score7.5
CVSS 3.18.3
CVSS 48.7
EPSS0.00242
SSVC
54