HOMEVULNERABILITIESCVE-2019-25395
HIGH

CVE-2019-25395

CWE-79Published: February 16, 2026· Updated: Feb 20, 2026

7.2
CVSS v3.1
EPSS:0.03%probability of exploitation in 30 daysPercentile:8.1th

Official Description

Smoothwall Express 3.1-SP4-polar-x86_64-update9 contains multiple stored cross-site scripting vulnerabilities in the preferences.cgi script that allow attackers to inject malicious scripts through the HOSTNAME, KEYMAP, and OPENNESS parameters. Attackers can submit POST requests with script payloads to preferences.cgi to store malicious code that executes in the browsers of users accessing the preferences page.

NVD Source

Technical Analysis

CVE-2019-25395 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeChanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Affected Vendors & Products

smoothwall1 product
smoothwall express
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (3)

Quick Facts

CVE IDCVE-2019-25395
CVSS Score7.2 / 10
SeverityHIGH
WeaknessCWE-79
CISA KEVNo
EPSS (30d)0.03%
Affected1 vendor
PublishedFeb 16, 2026

Related CVEs (CWE-79)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2019-25395 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.