Firewall Firmware vulnerabilitiesRanked by how likely they are to be used.
Firewall Firmware is made by Sophos. We track 3 published vulnerabilities in it, across 1 version. None of them is on the list of flaws known to be exploited today. If you run Firewall Firmware, keep it on a version the vendor still supports.
We keep watching the known-exploited list.
Which Firewall Firmware vulnerabilities are being exploited?
This is the list that matters most: flaws criminals are using now.
None of Firewall Firmware's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.
Which Firewall Firmware flaws are most likely to be used?
Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.
- 10.0%CVE-2025-6704Critical
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...
- 1.1%CVE-2021-25267High
Multiple XSS vulnerabilities in Webadmin allow for privilege escalation from admin to super-admin in Sophos Firewall older than version 19.0 GA.
- 0.9%CVE-2021-25268High
Multiple XSS vulnerabilities in Webadmin allow for privilege escalation from MySophos admin to SFOS admin in Sophos Firewall older than version 19.0 GA.
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1 new flaw affects software Acme tracks
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.
- Matched to
- Firewall Firmware on Acme's software list
- What to do
- Plan in the vendor’s update
Sent to the alert recipients Acme chose. Also in the app and to Acme's webhook.
We track 3 published vulnerabilities listed under the name Firewall Firmware, across 1 version.
None of Firewall Firmware's vulnerabilities is on the list of flaws known to be exploited today.
Create a Precursor Intelligence account and track Firewall Firmware. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.