TI-2019-15447 Aliases CVE-2019-25394 GHSA-qcc6-w9r3-h3c3

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

LOW 30CWE-79Published 2026-02-16 · Updated 2026-03-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: Passive
Attack complexity: Low
Attack requirements: None
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00266 18th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA and NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Smoothwall	Smoothwall Express	3.1	—	No fix listed	CNA

Smoothwall Express VendorSmoothwall Affected 3.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:o:smoothwall:smoothwall_express:3.1:sp4:::-:::*	3.1 sp4	Vulnerable	Smoothwall

cpe:2.3:o:smoothwall:smoothwall_express:3.1:sp4:*:*:-:*:*:* Versions 3.1 sp4 Vulnerable ·Smoothwall

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2019-25394
2026-10-03 Alias added: GHSA-qcc6-w9r3-h3c3

References

Exploit 1

ExploitDB-46333

Other 1

Smoothwall Vendor Homepage

TI-2019-15448 Smoothwall Express 3.1 'preferences.cgi' Cross-Site Scripting CVSS 4.0MEDIUM 5.3
TI-2019-15432 Smoothwall Express 3.1 'urlfilter.cgi' Cross-Site Scripting CVSS 4.0MEDIUM 5.3
TI-2019-15445 Smoothwall Express 3.1 'iptools.cgi' Cross-Site Scripting CVSS 4.0MEDIUM 5.1
TI-2019-15437 Smoothwall Express 3.1 'portfw.cgi' Cross-Site Scripting CVSS 4.0MEDIUM 5.1
TI-2019-15436 Smoothwall Express 3.1 'apcupsd.cgi' Cross-Site Scripting CVSS 4.0MEDIUM 5.1
TI-2019-15435 Smoothwall Express 3.1 'time.cgi' Cross-Site Scripting CVSS 4.0MEDIUM 5.1

See all 20 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences