CVE-2019-25380: Smoothwall Express 3.1 'dhcp.cgi' Cross-Site Scripting

Published Feb 16, 2026
·
Updated

Smoothwall Express 3.1-SP4-polar-x8664-update9 contains multiple reflected cross-site scripting vulnerabilities in the dhcp.cgi script that allow attackers to inject malicious scripts through multiple parameters. Attackers can submit POST requests to dhcp.cgi with script payloads in parameters such as BOOTSERVER, BOOTFILE, BOOTROOT, STARTADDR, ENDADDR, DNS1, DNS2, NTP1, NTP2, WINS1, WINS2, DEFAULTLEASETIME, MAXLEASETIME, DOMAINNAME, NISDOMAIN, NIS1, NIS2, STATICHOST, STATICDESC, STATICMAC, and STATICIP to execute arbitrary JavaScript in user browsers.

Affected Software

2 affected components
Smoothwall Smoothwall Express
Smoothwall Smoothwall Express=3.1-sp4

Event History

Feb 16, 2026
CVE Published
via MITRE·05:04 PM
Data Sourced
via MITRE·05:04 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·06:19 PM
DescriptionSeverityWeaknessAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2019-25380?

CVE-2019-25380 has a medium severity rating due to its ability to allow attackers to exploit cross-site scripting vulnerabilities.

2

How do I fix CVE-2019-25380?

To fix CVE-2019-25380, apply the latest updates or patches provided by Smoothwall for Smoothwall Express 3.1.

3

What are the implications of CVE-2019-25380?

The implications of CVE-2019-25380 include potential unauthorized access to sensitive information and execution of malicious scripts in user browsers.

4

Which versions of Smoothwall are affected by CVE-2019-25380?

CVE-2019-25380 affects Smoothwall Express 3.1 and its specific subversion 3.1-SP4-polar-x86_64-update9.

5

Can CVE-2019-25380 be exploited remotely?

Yes, CVE-2019-25380 can be exploited remotely by attackers through crafted POST requests that include malicious scripts.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203