Is CVE-2019-25389 actively exploited?

No active exploitation of CVE-2019-25389 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-25389 be exploited remotely?

Yes. CVE-2019-25389 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-25389?

CVE-2019-25389 has a CVSS score of 6.1 (MEDIUM) and an EPSS exploitation probability of 0.07%.

HOME VULNERABILITIESCVE-2019-25389

MEDIUM

CVE-2019-25389

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

6.1

CVSS v3.1

EPSS:0.08%probability of exploitation in 30 daysPercentile:24.0th

Official Description

Smoothwall Express 3.1-SP4-polar-x86_64-update9 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by manipulating the MACHINES parameter. Attackers can craft requests to the timedaccess.cgi endpoint with script payloads in the MACHINES parameter to execute arbitrary JavaScript in users' browsers.

NVD Source

Technical Analysis

CVE-2019-25389 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

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.