---
cve: "CVE-2025-40593"
severity: "HIGH"
cvss: 7.1
epss: "33%"
vendor: "Siemens"
kev: false
exploited: false
published: "2025-07-08 11:15:29"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-08T18:07:08+02:00"
---

# CVE-2025-40593

> 7.1 HIGH

## Beschreibung

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-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |

## Referenzen

- <https://cert-portal.siemens.com/productcert/html/ssa-626991.html>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2025-40593) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_