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OpenAdvisories
High · 7.2 CVE-2019-25394 EUVD-2019-19624GHSA-qcc6-w9r3-h3c3

Smoothwall Express 3.1 'modem.cgi' Cross-Site Scripting

Published Feb 16, 2026 · Updated Mar 5, 2026 · Assigned by VulnCheck

Description

Smoothwall Express 3.1-SP4-polar-x86_64-update9 contains multiple stored cross-site scripting vulnerabilities in the modem.cgi script that allow attackers to inject malicious scripts through POST parameters. Attackers can submit crafted payloads in parameters like INIT, HANGUP, SPEAKER_ON, SPEAKER_OFF, TONE_DIAL, and PULSE_DIAL to execute arbitrary JavaScript in users' browsers when the stored data is retrieved.

Affected products

VendorProductAffectedFixed
Smoothwall Smoothwall Express 3.1 —

References