CVE-2025-6704
Last modified
CVE-2025-6704 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 8.19% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Sophos | Firewall Firmware | < 21.0.2 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-6704?
How severe is CVE-2025-6704?
How do I fix CVE-2025-6704?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2025
- CVE-2025-67034An issue was discovered in Lantronix EDS5000 2.1.0.0R3. An a…8.8
- CVE-2025-67035An issue was discovered in Lantronix EDS5000 2.1.0.0R3. The …9.8
- CVE-2025-67036An issue was discovered in Lantronix EDS5000 2.1.0.0R3. The …8.8
- CVE-2025-67037An issue was discovered in Lantronix EDS5000 2.1.0.0R3. An a…8.8
- CVE-2025-67038An issue was discovered in Lantronix EDS5000 2.1.0.0R3. The …9.8
- CVE-2025-67039An issue was discovered in Lantronix EDS3000PS 3.1.0.0R2. Th…9.1
- CVE-2025-67041An issue was discovered in Lantronix EDS3000PS 3.1.0.0R2. Th…9.8
- CVE-2025-67043Rejected reason: DO NOT USE THIS CVE RECORD. ConsultIDs: CVE…
- CVE-2025-67044Rejected reason: DO NOT USE THIS CVE RECORD. ConsultIDs: CVE…
- CVE-2025-67045Rejected reason: DO NOT USE THIS CVE RECORD. ConsultIDs: CVE…
- CVE-2025-67046Rejected reason: DO NOT USE THIS CVE RECORD. ConsultIDs: CVE…
- CVE-2025-67047Rejected reason: DO NOT USE THIS CVE RECORD. ConsultIDs: CVE…
Are you affected by CVE-2025-6704?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST