CVE-2019-25334
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Buffer Overflow in Product Key Explorer 4.2.0.0 Causes DoS

Publication date: 2026-02-12

Last updated on: 2026-03-25

Assigner: VulnCheck

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.
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Meta Information
Published
2026-02-12
Last Modified
2026-03-25
Generated
2026-06-16
AI Q&A
2026-02-13
EPSS Evaluated
2026-06-14
NVD
CVE-2019-25334
EUVD
EUVD-2019-19565
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
nsasoft product_key_explorer 4.2.0.0
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-121 A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
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Executive Summary

Product Key Explorer version 4.2.0.0 has a denial of service vulnerability caused by a buffer overflow in the registration name input field.

Local attackers can exploit this by creating a specially crafted text file containing repeated characters and then pasting it into the registration name field, which triggers the buffer overflow and causes the application to crash.

Impact Analysis

This vulnerability can cause the Product Key Explorer application to crash, resulting in a denial of service.

Since the crash is triggered locally by overflowing the registration name input, it can disrupt normal use of the application and potentially cause loss of unsaved data or interruption of workflows.

Compliance Impact

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Detection Guidance

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Mitigation Strategies

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