Overview

The cybersecurity landscape is continuously evolving, and one of the vulnerabilities that have recently come to light is CVE-2025-47752. This vulnerability is present in V-SFT v6.2.5.0 and earlier versions, a software widely used across multiple sectors. The software contains a critical flaw that can lead to data leakage and system compromise, highlighting the necessity of understanding and mitigating such vulnerabilities.
This vulnerability is significant due to its potential to crash systems, leak sensitive data, and even execute arbitrary code. With a CVSS severity score of 7.8, its impact is high, meaning immediate attention and mitigation efforts are required to prevent potential exploits and protect the integrity of systems utilizing the affected software.

Vulnerability Summary

CVE ID: CVE-2025-47752
Severity: High – CVSS score 7.8
Attack Vector: Network
Privileges Required: None
User Interaction: Required
Impact: System crash, information disclosure, and arbitrary code execution.

Affected Products

Product | Affected Versions

V-SFT | v6.2.5.0 and earlier

How the Exploit Works

The vulnerability resides in the VS6ComFile!MakeItemGlidZahyou function of V-SFT software. An attacker can exploit this vulnerability by crafting a malicious V7 or V8 file that, when opened, triggers an out-of-bounds write. This can lead to a system crash, information leakage, or even execution of arbitrary code. The out-of-bounds write essentially allows the attacker to write data beyond the limits of allocated memory, causing buffer overflow and potentially leading to unpredictable behavior, including crashes and code execution.

Conceptual Example Code

The following is a conceptual example of a malicious payload designed to exploit this vulnerability. This is pseudocode and for illustrative purposes only.

POST /upload/V7orV8File HTTP/1.1
Host: vulnerable-system.example.com
Content-Type: application/octet-stream
{ "file": "base64_encoded_malicious_file_data..." }

In this example, an attacker sends a POST request to a vulnerable endpoint of the target system, uploading a maliciously crafted file that triggers the out-of-bounds write in the VS6ComFile!MakeItemGlidZahyou function.
To mitigate this vulnerability, apply the vendor patch as soon as it becomes available. In the meantime, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can serve as a temporary mitigation measure, potentially preventing the execution of maliciously crafted files.