CVE-2025-40937

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0.1). The affected application do not properly validate input parameters in its REST API, resulting in improper handling of unexpected arguments. This could allow an authenticated attacker to execute arbitrary code with limited privileges.

CVSS v3 8.3 HIGH

8.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://cert-portal.siemens.com/productcert/html/ssa-416652.html	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:siemens:simatic_cn_4100_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:simatic_cn_4100:-:*:*:*:*:*:*:*

History

10 Dec 2025, 21:37

Type	Values Removed	Values Added
References	~~() https://cert-portal.siemens.com/productcert/html/ssa-416652.html -~~	() https://cert-portal.siemens.com/productcert/html/ssa-416652.html - Vendor Advisory
First Time		Siemens Siemens simatic Cn 4100 Firmware Siemens simatic Cn 4100
CPE		cpe:2.3:o:siemens:simatic_cn_4100_firmware:::::::: cpe:2.3:h:siemens:simatic_cn_4100:-:::::::*

09 Dec 2025, 16:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-12-09 16:17

Updated : 2025-12-10 21:37

NVD link : CVE-2025-40937

Mitre link : CVE-2025-40937

CVE.ORG link : CVE-2025-40937

JSON object : View

Products Affected

siemens

simatic_cn_4100
simatic_cn_4100_firmware

CWE

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

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