CVE-2025-6704

criticalpriority · track · 4EPSS 0.118 · 96 %ileDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

11.8% (96th) EPSS

CVSS 9.8 · critical

Is it mine?

23 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · security-alert@sophos.comexploitability 3.9 · impact 5.9

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-78USCWE-78US

affected products (23)

Products and version ranges known to be affected.

Sophos Firewall <19.0 MR2 (19.0.2.472)all versionscert_bundDE
Sophos Firewall <20.0 MR2 (20.0.2.378)all versionscert_bundDE
Sophos Firewall <20.0 MR3 (20.0.3.427)all versionscert_bundDE
Sophos Firewall <21.0 GA (21.0.0.169)all versionscert_bundDE
Sophos Firewall <21.0 MR1 (21.0.1.237)all versionscert_bundDE
Sophos Firewall <21.0 MR1-1 (21.0.1.272)all versionscert_bundDE
Sophos Firewall <21.0 MR1-2 (21.0.1.277)all versionscert_bundDE
Sophos Firewall <21.5 GA (21.5.0.171)all versionscert_bundDE
Sophos Firewall <v21.0 MR1all versionscert_bundDE
Sophos Firewall <v21.0 MR2all versionscert_bundDE
Sophos Firewall< 19.0 MR2 (19.0.2.472)cert_bundDE
Sophos Firewall< 20.0 MR2 (20.0.2.378)cert_bundDE
Sophos Firewall< 20.0 MR3 (20.0.3.427)cert_bundDE
Sophos Firewall< 21.0 GA (21.0.0.169)cert_bundDE
Sophos Firewall< 21.0 MR1 (21.0.1.237)cert_bundDE
Sophos Firewall< 21.0 MR1-1 (21.0.1.272)cert_bundDE
Sophos Firewall< 21.0 MR1-2 (21.0.1.277)cert_bundDE
Sophos Firewall< 21.5 GA (21.5.0.171)cert_bundDE
Sophos Firewall< v21.0 MR1cert_bundDE
Sophos Firewall< v21.0 MR2cert_bundDE

showing 20 of 23

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-1615Sophos Firewall: Mehrere Schwachstellen ermöglichen CodeausführungDeutsch2025-07-21csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Sophos Firewall ausnutzen, um beliebigen Programmcode auszuführen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund NVD CVE.org MITRE

published 2025-07-21modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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