Is CVE-2019-25658 actively exploited?

No active exploitation of CVE-2019-25658 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-25658 be exploited remotely?

No. CVE-2019-25658 requires local access to exploit.

What is the CVSS score of CVE-2019-25658?

CVE-2019-25658 has a CVSS score of 5.5 (MEDIUM).

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MEDIUM

CVE-2019-25658

CWE-787Published: April 5, 2026· Updated: Apr 7, 2026

5.5

CVSS v3.1

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

Official Description

a-Mac Address Change 5.4 contains a local buffer overflow vulnerability that allows local attackers to crash the application by supplying oversized input to registration form fields. Attackers can paste 212 bytes of data into the 'Your Name', 'Your Company', or 'Register Code' fields and click the Register button to trigger a denial of service crash.

NVD Source

Technical Analysis

CVE-2019-25658 requires local access, meaning attackers must already have a foothold on the target system.

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

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.5.

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