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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.

PUBLISHED Reserved 2025-06-26 | Published 2025-07-21 | Updated 2025-07-21 | Assigner Sophos




CRITICAL: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Product status

Default status
unaffected

Any version before 21.0 MR2 (21.0.2)
affected

References

www.sophos.com/...ity-advisories/sophos-sa-20250721-sfos-rce

cve.org (CVE-2025-6704)

nvd.nist.gov (CVE-2025-6704)

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