Is CVE-2019-25427 actively exploited?

No active exploitation of CVE-2019-25427 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-25427 be exploited remotely?

Yes. CVE-2019-25427 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-25427?

CVE-2019-25427 has a CVSS score of 6.1 (MEDIUM) and an EPSS exploitation probability of 0.04%.

HOME VULNERABILITIESCVE-2019-25427

MEDIUM

CVE-2019-25427

CWE-79Published: February 19, 2026· Updated: Feb 20, 2026

6.1

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:10.4th

Official Description

Comodo Dome Firewall 2.7.0 contains a reflected cross-site scripting vulnerability that allows attackers to inject malicious scripts by submitting crafted input to the antispyware endpoint. Attackers can send POST requests with JavaScript payloads in the DNSMASQ_WHITELIST or DNSMASQ_BLACKLIST parameters to execute arbitrary code in users' browsers.

NVD Source

Technical Analysis

CVE-2019-25427 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.