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CVE-2019-25334— Product Key Explorer 4.2.0.0 - 'Name' Denial of Service

Quick assessment

Affected
Nsasoft Nsauditor Product Key Explorer
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Nsasoft Product Key Explorer是美国Nsasoft公司的一个产品密钥查找软件。用于恢复和查找超过 5000 个程序的产品密钥。 Nsasoft Product Key Explorer 4.2.0.0版本存在安全漏洞，该漏洞源于注册名称输入字段存在缓冲区溢出，可能导致应用程序崩溃。

CVSS 6.2 · Medium EPSS 0.22% · P12

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2019-25334

Vulnerability Information
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Vulnerability Title
Product Key Explorer 4.2.0.0 - 'Name' Denial of Service
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Nsasoft Product Key Explorer 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nsasoft Product Key Explorer是美国Nsasoft公司的一个产品密钥查找软件。用于恢复和查找超过 5000 个程序的产品密钥。 Nsasoft Product Key Explorer 4.2.0.0版本存在安全漏洞，该漏洞源于注册名称输入字段存在缓冲区溢出，可能导致应用程序崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Nsasoft Nsauditor Product Key Explorer 4.2.0.0 -

II. Public POCs for CVE-2019-25334

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III. Intelligence Information for CVE-2019-25334

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Same Patch Batch · Nsasoft · 2026-02-12 · 3 CVEs total

CVE-2019-25336 8.4 HIGH SpotAuditor 5.3.2 - 'Base64' Local Buffer Overflow (SEH)
CVE-2019-25340 7.5 HIGH SpotAuditor 5.3.2 - 'Base64' Denial Of Service

IV. Related Vulnerabilities

Same vendor: Nsasoft
Same weakness: CWE-121

V. Comments for CVE-2019-25334

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