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CVE-2025-44880: Command Injection Vulnerability in Wavlink WL-WN579A3 v1.0

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Overview

The Common Vulnerabilities and Exposures (CVE) system has identified a critical vulnerability, CVE-2025-44880, within the Wavlink WL-WN579A3 v1.0 hardware. This particular vulnerability is related to a command injection flaw, found within the /cgi-bin/adm.cgi component, which allows attackers to execute arbitrary commands through a specifically crafted input. This vulnerability poses a significant risk to businesses and individuals alike that rely on these devices, as it could potentially lead to system compromise or data leakage.

Vulnerability Summary

CVE ID: CVE-2025-44880
Severity: Critical (CVSS: 9.8)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise, potential data leakage

Affected Products

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Product | Affected Versions

Wavlink WL-WN579A3 | v1.0

How the Exploit Works

In a nutshell, the command injection vulnerability works by exploiting the /cgi-bin/adm.cgi component of the Wavlink WL-WN579A3 v1.0. Specifically, this component does not properly sanitize user-supplied inputs, making it possible for an attacker to insert malicious commands. Once the malicious command is executed, the attacker can gain unauthorized access to the system or even execute further commands.

Conceptual Example Code

A conceptual example of how this vulnerability might be exploited might involve an HTTP request like the following:

POST /cgi-bin/adm.cgi HTTP/1.1
Host: target.example.com
Content-Type: application/x-www-form-urlencoded
cmd=;ls -la; # List all files in the current directory

In this example, the attacker is injecting a command (`;ls -la;`) to list all files in the current directory. Note that this is a conceptual example and the actual exploit may involve different commands or methods.

Mitigation Guidance

To protect against this vulnerability, users are strongly advised to 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) could serve as a temporary mitigation measure. These systems can be configured to detect and block attempts to exploit this vulnerability.

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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.

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