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CVE-2025-40938

🗓️ 09 Dec 2025 10:44:36Reported by siemensType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 45 Views

SIMATIC CN 4100 vulnerability before 4.0.1 permits access to firmware data, impacting confidentiality and integrity.

Related
Detection
Affected
Refs
Social
ReporterTitlePublishedViews
Family
bdu_fstec
BDU FSTEC
SIMATIC CN 4100 Data Compromise
9 Jan 202600:00
–bdu_fstec
circl
Circl
CVE-2025-40938
9 Dec 202515:05
–circl
cnnvd
CNNVD
Siemens SIMATIC CN 4100 Trust Management Vulnerability
9 Dec 202500:00
–cnnvd
cvelist
Cvelist
CVE-2025-40938
9 Dec 202510:44
–cvelist
euvd
EUVD
EUVD-2025-201918
9 Dec 202518:30
–euvd
ncsc
NCSC
Vulnerabilities fixed in Siemens products
9 Dec 202513:15
–ncsc
nvd
NVD
CVE-2025-40938
9 Dec 202516:17
–nvd
osv_cve
osv_cve
CVE-2025-40938
9 Dec 202516:17
–osv_cve
ptsecurity
Positive Technologies
PT-2025-49843
9 Dec 202500:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2025-40938: Use of Hard-coded Credentials
9 Dec 202500:00
–rapid7
Rows per page
NVD
Vulners
[
  {
    "vendor": "Siemens",
    "product": "SIMATIC CN 4100",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "V4.0.1",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  }
]

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23 Oct 2026 22:10Current
8.1High risk
Vulners AI Score8.1
CVSS 3.18.1 - 9.8
CVSS 49.2
EPSS0.00377
SSVC
45