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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Smoothwall Smoothwall Express affected
Version Status Constraints
3.1 affected —

No data.

No data.

No data.

Project Subscriptions

Vendors Products
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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
http://www.smoothwall.org cve-icon cve-icon
https://www.exploit-db.com/exploits/46333 cve-icon cve-icon
https://www.vulncheck.com/advisories/smoothwall-express-modemcgi-cross-site-scripting cve-icon cve-icon
History

Mon, 16 Feb 2026 17:30:00 +0000

Type Values Removed Values Added
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.
Title Smoothwall Express 3.1 'modem.cgi' Cross-Site Scripting
First Time appeared Smoothwall
Smoothwall smoothwall
Weaknesses CWE-79
CPEs cpe:2.3:a:smoothwall:smoothwall:3.1:*:*:*:*:*:*:*
Vendors & Products Smoothwall
Smoothwall smoothwall
References
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-02-16T17:05:07.096Z

Reserved: 2026-02-16T16:35:57.390Z

Link: CVE-2019-25394

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-02-16T18:19:44.313

Modified: 2026-02-16T18:19:44.313

Link: CVE-2019-25394

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses