CVE-2019-25334

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.

CVSS v3 6.2 MEDIUM

6.2^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.5 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
http://www.nsauditor.com	Product
https://www.exploit-db.com/exploits/47766	Exploit VDB Entry
https://www.vulncheck.com/advisories/product-key-explorer-name-denial-of-service	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:nsasoft:product_key_explorer:4.2.0.0:*:*:*:*:*:*:*

History

25 Mar 2026, 20:23

Type	Values Removed	Values Added
Summary		(es) Product Key Explorer 4.2.0.0 contiene una vulnerabilidad de denegación de servicio que permite a atacantes locales bloquear la aplicación al desbordar el campo de entrada del nombre de registro. Los atacantes pueden crear un archivo de texto especialmente diseñado con caracteres repetidos para desencadenar un desbordamiento de búfer cuando se pega en el campo del nombre de registro, lo que provoca que la aplicación se bloquee.
References	~~() http://www.nsauditor.com -~~	() http://www.nsauditor.com - Product
References	~~() https://www.exploit-db.com/exploits/47766 -~~	() https://www.exploit-db.com/exploits/47766 - Exploit, VDB Entry
References	~~() https://www.vulncheck.com/advisories/product-key-explorer-name-denial-of-service -~~	() https://www.vulncheck.com/advisories/product-key-explorer-name-denial-of-service - Third Party Advisory
First Time		Nsasoft product Key Explorer Nsasoft
CPE		cpe:2.3:a:nsasoft:product_key_explorer:4.2.0.0:::::::*

12 Feb 2026, 23:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-12 23:16

Updated : 2026-03-25 20:23

NVD link : CVE-2019-25334

Mitre link : CVE-2019-25334

CVE.ORG link : CVE-2019-25334

JSON object : View

Products Affected

nsasoft

product_key_explorer

CWE

CWE-121

Stack-based Buffer Overflow

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