CVE-2025-40593 MEDIUM

CVE-2025-40593

Vendor Siemens
Product SIMATIC CN 4100
Weakness CWE-20 · Input validation
Published July 8, 2025
Last update July 8, 2025

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

July 8, 2025 CVE published
July 8, 2025 Record updated