CVE-2019-25386: Smoothwall Express

Medium severity, CVSS 6.1. EPSS: 0.2% chance of exploitation in the next 30 days.

Smoothwall Express 3.1-SP4-polar-x86_64-update9 contains multiple reflected cross-site scripting vulnerabilities in the dmzholes.cgi script that allow attackers to inject malicious scripts through unvalidated parameters. Attackers can submit POST requests with script payloads in the SRC_IP, DEST_IP, or COMMENT parameters to execute arbitrary JavaScript in users' browsers.

Affected products

• Smoothwall Smoothwall Express: version 3.1 only

Published 2026-02-16. Last modified 2026-06-17.