What is CVE-2022-3713?

CVE-2022-3713 is a high-severity vulnerability in Sophos Firewall, classified under Code Injection. CVSS score: 8.8/10. Published 2022-12-01.

How severe is CVE-2022-3713?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Sophos Firewall

CVE-2022-3713

A code injection vulnerability allows adjacent attackers to execute code in the Wifi controller of Sophos Firewall releases older than version 19.5 GA.

Vulnerability class: RCE (Remote Code Execution)

Published 2022-12-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (51.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-94 — Code Injection

References

www.sophos.com/en-us/security-advisories/sophos-sa-20221201-sfos-19-5-0 (Vendor Advisory)

Frequently asked questions

What is CVE-2022-3713?: CVE-2022-3713 is a high-severity vulnerability in Sophos Firewall, classified under Code Injection. CVSS score: 8.8/10. Published 2022-12-01.
How severe is CVE-2022-3713?: High severity. CVSS v3 base score is 8.8 out of 10.