CVE-2025-6704

critical · 9.8

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.

9.8

CVSS

9.3%

EPSS (exploit prob.)

95th

EPSS percentile

2025-07-21

Published

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

Weaknesses

CWE-78

Affected products

Vendor	Product	Affected versions
sophos	firewall_firmware	< 21.0.2
sophos	firewall	all versions

Check a specific version with /api/v1/cve/match.

References

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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2025-6704