CVE-2026-19933 in Customer-Relationship-Management-In-C-Project
Summary
by MITRE • 08/16/2026
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".
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Analysis
by VulDB Data Team • 08/16/2026
The vulnerability resides within the DefaultFuction Customer-Relationship-Management-In-C-Project 2.0 software suite, specifically targeting the Customer Search Module component. This weakness manifests as a stack-based buffer overflow condition that occurs during execution of the gets function, representing a critical security flaw that has been publicly documented and weaponized. The affected function operates within the customer search functionality, which serves as a fundamental component for retrieving and managing customer data within the CRM system.
The technical implementation of this vulnerability stems from improper input validation and memory management practices within the gets function call. This particular function lacks bounds checking mechanisms that would normally prevent excessive data from being written to allocated memory buffers on the stack. When malicious input exceeds the predetermined buffer limits, it overflows into adjacent memory locations, potentially corrupting program execution flow and creating opportunities for arbitrary code execution. The CWE-121 category specifically addresses stack-based buffer overflow conditions where insufficient bounds checking allows attackers to overwrite stack memory.
The remote exploitability of this vulnerability presents significant operational risks to organizations utilizing this CRM software. Attackers can leverage this weakness through network-based interactions with the customer search module, potentially executing malicious code with the privileges of the affected application process. The public availability of exploitation tools means that this vulnerability is not limited to sophisticated threat actors but could be exploited by a wide range of malicious entities. This remote attack vector eliminates the need for physical access or local system compromise, making it particularly dangerous in enterprise environments where network exposure is common.
The impact of successful exploitation extends beyond simple data corruption, potentially enabling full system compromise and unauthorized access to sensitive customer information. Organizations relying on this CRM platform face risks including data breaches, privilege escalation, and potential lateral movement within their network infrastructure. The vulnerability's confirmation status by the project maintainers indicates that remediation efforts are underway, yet the active exploitation threat level requires immediate attention. This situation aligns with ATT&CK technique T1203 which covers legitimate program execution through exploitation of remote services.
Organizations should implement immediate mitigations including disabling or restricting access to the vulnerable customer search functionality while patches are developed and deployed. Network segmentation and firewall rules can help limit exposure by blocking unauthorized access attempts to the affected module. The project maintainers' acknowledgment that "it's being processed" suggests that a fix is in development, but organizations should not rely solely on future patches for protection. Regular security assessments and monitoring of network traffic for exploitation attempts should be implemented as interim protective measures until comprehensive remediation is achieved through official software updates or patches provided by the vendor.