CVE-2019-25334
Product Key Explorer 4.2.0.0 - 'Name' Denial of Service
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.
INFO
Published Date :
Feb. 12, 2026, 11:16 p.m.
Last Modified :
March 25, 2026, 8:23 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2019-25334
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update Product Key Explorer to the latest version.
- Avoid entering overly long registration names.
- Validate all user inputs rigorously.
- Implement input sanitization for registration names.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2019-25334.
| URL | 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 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-25334 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-25334
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-25334 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-25334 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Mar. 25, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CPE Configuration OR *cpe:2.3:a:nsasoft:product_key_explorer:4.2.0.0:*:*:*:*:*:*:* Added Reference Type VulnCheck: http://www.nsauditor.com Types: Product Added Reference Type VulnCheck: https://www.exploit-db.com/exploits/47766 Types: Exploit, VDB Entry Added Reference Type VulnCheck: https://www.vulncheck.com/advisories/product-key-explorer-name-denial-of-service Types: Third Party Advisory -
New CVE Received by [email protected]
Feb. 12, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-121 Added Reference http://www.nsauditor.com Added Reference https://www.exploit-db.com/exploits/47766 Added Reference https://www.vulncheck.com/advisories/product-key-explorer-name-denial-of-service