Overview
The Common Vulnerabilities and Exposures (CVE) system has identified a new critical vulnerability, CVE-2025-54440, affecting Samsung Electronics’ MagicINFO 9 Server. This is a severe vulnerability that allows unrestricted upload of a file with a dangerous type, leading to potential code injection. It is particularly alarming because it can potentially enable an attacker to compromise the system or leak data. This vulnerability is of special concern for organizations using MagicINFO 9 Server versions less than 21.1080.0.
Vulnerability Summary
CVE ID: CVE-2025-54440
Severity: Critical, CVSS 9.8
Attack Vector: Network-based
Privileges Required: Low
User Interaction: None
Impact: Potential system compromise or data leakage
Affected Products
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Product | Affected Versions
Samsung Electronics MagicINFO 9 Server | Less than 21.1080.0
How the Exploit Works
The vulnerability allows an attacker to upload a file of an unrestricted type. Typically, the server should have restrictions in place to prevent the upload of potentially dangerous file types. However, in this case, the server fails to enforce such restrictions. This oversight can lead to potential code injection if a malicious actor uploads a file containing malicious code. Once uploaded, the malicious file can be executed, leading to a potential system compromise or data leakage.
Conceptual Example Code
Here is a conceptual example of how the vulnerability might be exploited. This is a simple HTTP POST request that uploads a malicious file to a vulnerable endpoint on the server.
POST /upload/endpoint HTTP/1.1
Host: target.example.com
Content-Type: application/octet-stream
Content-Disposition: form-data; name="file"; filename="exploit.php"
<?php
// malicious code here
?>Mitigation Guidance
Users of Samsung Electronics MagicINFO 9 Server are advised to apply the vendor patch as soon as it is available. This patch will fix the vulnerability and prevent the unrestricted upload of files with dangerous types. In the meantime, users can use a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) as a temporary mitigation measure. These systems can help detect and prevent the upload of dangerous file types so as to limit the potential impact of this vulnerability.