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CVE-2025-40941

Quick assessment

Affected
Siemens SIMATIC CN 4100
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Siemens SIMATIC CN 4100是德国西门子（Siemens）公司的一个通信节点。 Siemens SIMATIC CN 4100 V4.0.1之前版本存在信息泄露漏洞，该漏洞源于响应中包含服务器信息，可能导致信息泄露。

CVSS 4.3 · Medium EPSS 0.28% · P19

Possible ATT&CK Techniques 1 AI

T1592 · Gather Victim Host Information
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I. Basic Information for CVE-2025-40941

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0.1). The affected devices exposes server information in its responses. This could allow an attacker with network access to gain useful information, increasing the likelihood of targeted attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Siemens SIMATIC CN 4100 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens SIMATIC CN 4100是德国西门子（Siemens）公司的一个通信节点。 Siemens SIMATIC CN 4100 V4.0.1之前版本存在信息泄露漏洞，该漏洞源于响应中包含服务器信息，可能导致信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Siemens SIMATIC CN 4100 0 ~ V4.0.1 -

II. Public POCs for CVE-2025-40941

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III. Intelligence Information for CVE-2025-40941

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Vendor Advisories for CVE-2025-40941 (1)

Same Patch Batch · Siemens · 2025-12-09 · 21 CVEs total

CVE-2024-56835 8.8 HIGH Siemens RUGGEDCOM ROX II 注入漏洞
CVE-2025-40937 8.3 HIGH Siemens SIMATIC CN 4100 命令注入漏洞
CVE-2025-40801 8.1 HIGH Siemens多款产品 信任管理问题漏洞
CVE-2025-40938 8.1 HIGH Siemens SIMATIC CN 4100 信任管理问题漏洞
CVE-2024-56836 7.5 HIGH Siemens RUGGEDCOM ROX II 命令注入漏洞
CVE-2025-40820 7.5 HIGH Siemens多款产品 安全漏洞
CVE-2025-40800 7.4 HIGH Siemens多款产品 信任管理问题漏洞
CVE-2024-56837 7.2 HIGH Siemens RUGGEDCOM ROX II 命令注入漏洞
CVE-2024-56838 7.2 HIGH Siemens RUGGEDCOM ROX II 注入漏洞
CVE-2024-56839 7.2 HIGH Siemens RUGGEDCOM ROX II 注入漏洞
CVE-2024-56840 7.2 HIGH Siemens RUGGEDCOM ROX II 注入漏洞
CVE-2025-40830 6.7 MEDIUM Siemens SINEC Security Monitor 授权问题漏洞
CVE-2025-40831 6.5 MEDIUM Siemens SINEC Security Monitor 输入验证错误漏洞
CVE-2025-40807 6.3 MEDIUM Siemens Gridscale X Prepay 安全漏洞
CVE-2025-40806 5.3 MEDIUM Siemens Gridscale X Prepay 安全漏洞
CVE-2025-40940 4.9 MEDIUM Siemens SIMATIC CN 4100 信息泄露漏洞
CVE-2025-40939 4.6 MEDIUM Siemens SIMATIC CN 4100 访问控制错误漏洞
CVE-2025-40935 4.3 MEDIUM Siemens RUGGEDCOM 输入验证错误漏洞
CVE-2025-40819 4.3 MEDIUM Siemens SINEMA Remote Connect Server 安全漏洞
CVE-2025-40818 3.3 LOW Siemens SINEMA Remote Connect Server 安全漏洞

IV. Related Vulnerabilities

Same product: SIMATIC CN 4100
Same vendor: Siemens
Same weakness: CWE-200

V. Comments for CVE-2025-40941

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