CVE-2025-40593 - A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0) · CoreCVE

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HIGH

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0)

Published Jul 8, 2025

7.1

HIGH

CVSS 4.0

EPSS 0.36%

Description

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.

Affected products

Vendor Siemens Product Simatic CN 4100 Default
n/a
- Version
  0
  Status
  affected
  Constraints
  <V4.0

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Simatic CN 4100

n/a

Version	Status	Constraints
0	affected	<V4.0

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-20

Improper Input Validation

References (2)

https://cert-portal.siemens.com/productcert/html/ssa-626991.html
Vendor Advisory
https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-20435
Advisory

Link	Providers	Tags
https://cert-portal.siemens.com/productcert/html/ssa-626991.html		Vendor Advisory
https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-20435		Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner siemens

Published Jul 8, 2025

Updated Jul 8, 2025

Reserved Apr 16, 2025

Link CVE-2025-40593

CISA Vulnrichment

Updated Jul 8, 2025

Status Analyzed

Modified Jun 17, 2026

Link CVE-2025-40593

Severity n/a

Public date n/a

Links CVE-2025-40593

Assigner siemens

Published Jul 8, 2025

Updated Jul 8, 2025

Exploited since n/a

Link EUVD-2025-20435

EUVD-2025-20435