Is CVE-2019-25566 actively exploited?

No active exploitation of CVE-2019-25566 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-25566 be exploited remotely?

No. CVE-2019-25566 requires local access to exploit.

What is the CVSS score of CVE-2019-25566?

CVE-2019-25566 has a CVSS score of 6.2 (MEDIUM).

HOME VULNERABILITIESCVE-2019-25566

MEDIUM

CVE-2019-25566

CWE-787Published: March 21, 2026· Updated: Mar 23, 2026

6.2

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:1.6th

Official Description

TransMac 12.3 contains a buffer overflow vulnerability in the volume name field that allows local attackers to crash the application by supplying an excessively long string. Attackers can create a malicious file with 1000 repeated characters, paste the content into the volume name field during disk image creation, and trigger an application crash.

NVD Source

Technical Analysis

CVE-2019-25566 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.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.