---
cve: "CVE-2025-6704"
severity: "CRITICAL"
cvss: 9.8
epss: "8.1%"
vendor: "Sophos"
kev: false
exploited: false
published: "2025-07-21 14:15:30"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-04T00:31:16+02:00"
---

# CVE-2025-6704

> 9.8 CRITICAL

## Beschreibung

An arbitrary file writing vulnerability in the Secure PDF eXchange (SPX) feature of Sophos Firewall versions older than 21.0 MR2 (21.0.2) can lead to pre-auth remote code execution, if a specific configuration of SPX is enabled in combination with the firewall running in High Availability (HA) mode.

## CVSS-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Referenzen

- <https://www.sophos.com/en-us/security-advisories/sophos-sa-20250721-sfos-rce>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2025-6704) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_