Vulnerability Report

CVE-2025-6704

RCE

Title: Sophos Firewall RCE

RCE

Proof Of Concept

No public PoC currently indexed for CVE-2025-6704.

CWE Category CWE-78

Published Date Jul 21, 2025

Modified Date Aug 18, 2025

Exploit Status Not Found

Score 9.8 CVSS v3.1

Exploit Probability (EPSS)

1.58%

Vulnerability Summary

CVE-2025-6704: 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.

Impacted Vendors

ingate 1

sophos 1

Reference Links

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

CVSS v3.1

Source Entity [email protected]

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2025-6704 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

August 18, 2025 MODIFIED

Vulnerability data or affected products updated.

August 18, 2025 MODIFIED

Vulnerability data updated via NVD.

July 21, 2025 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.