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CVE-2026-19933— DefaultFuction Customer-Relationship-Management-In-C-Project Customer Search gets stack-based overflow

Quick assessment

Affected
DefaultFuction Customer-Relationship-Management-In-C-Project
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.

DefaultFuction customer-relationship-management-in-c-project是DefaultFuction个人开发者的一款客户关系管理软件。 DefaultFuction customer-relationship-management-in-c-project 2.0版本存在缓冲区错误漏洞，该漏洞源于Customer Search Module组件中gets函数处理导致栈缓冲区溢出，可能允许远程攻击者发起攻击。

CVSS 6.3 · Medium EPSS 0.43% · P36

Affected Version Matrix 1

VendorProduct Version RangeStatus
DefaultFuction Customer-Relationship-Management-In-C-Project 2.0 affected
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I. Basic Information for CVE-2026-19933

Vulnerability Information
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Vulnerability Title
DefaultFuction Customer-Relationship-Management-In-C-Project Customer Search gets stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in DefaultFuction Customer-Relationship-Management-In-C-Project 2.0. Impacted is the function gets of the component Customer Search Module. This manipulation causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The project confirms, that "it’s being processed".
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
DefaultFuction customer-relationship-management-in-c-project 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DefaultFuction customer-relationship-management-in-c-project是DefaultFuction个人开发者的一款客户关系管理软件。 DefaultFuction customer-relationship-management-in-c-project 2.0版本存在缓冲区错误漏洞，该漏洞源于Customer Search Module组件中gets函数处理导致栈缓冲区溢出，可能允许远程攻击者发起攻击。
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
DefaultFuction Customer-Relationship-Management-In-C-Project 2.0 cpe:2.3:a:defaultfuction:customer-relationship-management-in-c-project:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-19933

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III. Intelligence Information for CVE-2026-19933

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Vendor Advisories for CVE-2026-19933 (2)

Security Blog Posts for CVE-2026-19933 (1)

News Coverage for CVE-2026-19933 (1)

Other References for CVE-2026-19933 (1)

IV. Related Vulnerabilities

Same vendor: DefaultFuction
Same weakness: CWE-121

V. Comments for CVE-2026-19933

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