Is CVE-2019-25334 actively exploited?

No active exploitation of CVE-2019-25334 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-25334 be exploited remotely?

No. CVE-2019-25334 requires local access to exploit.

What is the CVSS score of CVE-2019-25334?

CVE-2019-25334 has a CVSS score of 6.2 (MEDIUM) and an EPSS exploitation probability of 0.01%.

HOME VULNERABILITIESCVE-2019-25334

MEDIUM

CVE-2019-25334

CWE-121Published: February 12, 2026· Updated: Feb 13, 2026

6.2

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:3.1th

Official Description

Product Key Explorer 4.2.0.0 contains a denial of service vulnerability that allows local attackers to crash the application by overflowing the registration name input field. Attackers can create a specially crafted text file with repeated characters to trigger a buffer overflow when pasted into the registration name field, causing the application to crash.

NVD Source

Technical Analysis

CVE-2019-25334 requires local access, meaning attackers must already have a foothold on the target system.

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

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 6.2.