Lucene search
K

CVE-2025-40939

🗓️ 09 Dec 2025 10:44:37Reported by siemensType 
cve
 cve
🔗 web.nvd.nist.gov👁 4 Views

Unauthenticated USB access on SIMATIC CN 4100 before version 4.0.1 enables reboot and denial service.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
CNNVD
Siemens SIMATIC CN 4100 访问控制错误漏洞
9 Dec 202500:00
cnnvd
CNVD
Siemens SIMATIC CN 4100 Access Control Error Vulnerability
15 Dec 202500:00
cnvd
Cvelist
CVE-2025-40939
9 Dec 202510:44
cvelist
EUVD
EUVD-2025-201917
9 Dec 202518:30
euvd
NCSC
Vulnerabilities fixed in Siemens products
9 Dec 202513:15
ncsc
NVD
CVE-2025-40939
9 Dec 202516:17
nvd
OSV
CVE-2025-40939
9 Dec 202516:17
osv
Positive Technologies
PT-2025-49844
9 Dec 202500:00
ptsecurity
RedhatCVE
CVE-2025-40939
9 Jan 202609:16
redhatcve
Vulnrichment
CVE-2025-40939
9 Dec 202510:44
vulnrichment
Rows per page
NVD
[
  {
    "vendor": "Siemens",
    "product": "SIMATIC CN 4100",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "V4.0.1",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

16 Dec 2025 17:30Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.14.6
CVSS 45.1
EPSS0.00045
SSVC
4