{"id":"CVE-2025-6704","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-6704","generatedAt":"2026-11-02T16:14:20.366Z","title":"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…","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":"2025-07-21T14:15:30.000Z","lastModified":"2026-06-17T10:02:25.000Z","status":"Analyzed","sourceIdentifier":"security-alert@sophos.com","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-78"],"affected":["sophos/firewall firmware"],"epss":{"score":0.11772,"percentile":0.96077,"date":"2026-11-01","history":[{"date":"2026-10-22","score":0.11772,"percentile":0.96074}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 11.8%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-10-22T00:00:00.000Z","detail":{"to":0.11772,"from":0.09983,"percentile":0.96074},"summary":"EPSS moved from 10.0% to 11.8% probability of exploitation in the next thirty days."}],"references":[{"url":"https://www.sophos.com/en-us/security-advisories/sophos-sa-20250721-sfos-rce","tags":["Vendor Advisory"],"source":"security-alert@sophos.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-6704","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}