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)

AND

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

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

History

No history.

Information

Published : 2025-07-08 11:15

Updated : 2025-12-16 19:33

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
simatic_cn_4100_firmware

CWE

CWE-20

Improper Input Validation

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