CVE-2025-40593

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0). The affected application allows to control the device by storing arbitrary files in the SFTP folder of the device. This could allow an attacker to cause a denial of service condition.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://cert-portal.siemens.com/productcert/html/ssa-626991.html	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:siemens:simatic_cn_4100:*:*:*:*:*:*:*:*

History

21 Aug 2025, 15:12

Type	Values Removed	Values Added
CPE		cpe:2.3:a:siemens:simatic_cn_4100::::::::
References	~~() https://cert-portal.siemens.com/productcert/html/ssa-626991.html -~~	() https://cert-portal.siemens.com/productcert/html/ssa-626991.html - Vendor Advisory
First Time		Siemens simatic Cn 4100 Siemens

08 Jul 2025, 16:18

Type	Values Removed	Values Added
Summary		(es) Se ha identificado una vulnerabilidad en SIMATIC CN 4100 (todas las versiones anteriores a la V4.0). La aplicación afectada permite controlar el dispositivo almacenando archivos arbitrarios en su carpeta SFTP. Esto podría permitir a un atacante provocar una denegación de servicio.

08 Jul 2025, 11:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-07-08 11:15

Updated : 2025-08-21 15:12

NVD link : CVE-2025-40593

Mitre link : CVE-2025-40593

CVE.ORG link : CVE-2025-40593

JSON object : View

Products Affected

siemens

simatic_cn_4100

CWE

CWE-20

Improper Input Validation

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