Stack-based Buffer Overflow in DefaultFuction Customer-Relationship-Management-In-C-Project 2.0
CVE-2026-19933

5.3MEDIUM

Key Information:

Vendor: Defaultfuction
Status: Customer-relationship-management-in-c-project
Vendor: CVE Published:; 16 August 2026

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👾 Exploit Exists🟡 Public PoC

What is CVE-2026-19933?

A buffer overflow vulnerability has been discovered in the Customer Search Module of DefaultFuction's Customer-Relationship-Management-In-C-Project version 2.0. This weakness allows remote attackers to exploit the vulnerable function, potentially leading to unauthorized access or execution of malicious code. Exploitation may result in program crashes or other unintended behaviors. Users should take note that an exploit for this vulnerability is publicly available, prompting immediate action for risk mitigation.

Affected Version(s)

Customer-Relationship-Management-In-C-Project 2.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-19933 - Proof of Concept