CVE-2019-25394 - Smoothwall Express 3.1 'modem.cgi' Cross-Site Scripting

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MEDIUM

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

Published Feb 16, 2026

5.3

MEDIUM

CVSS 4.0

EPSS 0.24%

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

Vendor Smoothwall Product Smoothwall Express Default
n/a
- Version
  3.1
  Status
  affected
  Constraints
  -

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

n/a

Version	Status	Constraints
3.1	affected	-

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-79

Cross-site Scripting (XSS)

References (4)

http://www.smoothwall.org
product
https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-19624
Advisory
https://www.exploit-db.com/exploits/46333
exploitThird Party AdvisoryVDB Entry
https://www.vulncheck.com/advisories/smoothwall-express-modemcgi-cross-site-scripting
third-party-advisoryBroken Link

Link	Providers	Tags
http://www.smoothwall.org		product
https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-19624		Advisory
https://www.exploit-db.com/exploits/46333		exploitThird Party AdvisoryVDB Entry
https://www.vulncheck.com/advisories/smoothwall-express-modemcgi-cross-site-scripting		third-party-advisoryBroken Link