VULNERABILITY INTELLIGENCE

CVE-2025-6704

CVSS score9.8 CRITICAL
EPSS probability11.77%
CISA KEVNot currently listed
Published2025-07-21
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

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.

Weakness classification

  • security-alert@sophos.com: CWE-78

Primary references