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CVE-2025-29534: PowerStick Wave Dual-Band Wifi Extender Authenticated Remote Code Execution Vulnerability

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Overview

The CVE-2025-29534 vulnerability exposes a serious threat to the security of PowerStick Wave Dual-Band Wifi Extender V1.0. This vulnerability allows an attacker with valid credentials to execute arbitrary commands with root privileges, potentially compromising the entire system or leading to data leakage. Given the widespread use of PowerStick Wifi extenders in both home and corporate environments, this issue poses a significant security risk and demands immediate attention.

Vulnerability Summary

CVE ID: CVE-2025-29534
Severity: High (8.8 CVSS Score)
Attack Vector: Network
Privileges Required: High (Valid Credentials)
User Interaction: None
Impact: System compromise and potential data leakage

Affected Products

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Product | Affected Versions

PowerStick Wave Dual-Band Wifi Extender | V1.0

How the Exploit Works

The vulnerability arises from insufficient sanitization of user-supplied input in the /cgi-bin/cgi_vista.cgi executable. This executable is passed to a system-level function call. An attacker with valid credentials can craft malicious input, which when processed by the wifi extender, leads to arbitrary command execution with root privileges.

Conceptual Example Code

Let’s illustrate how the exploit might work conceptually. An attacker might send a specially crafted HTTP POST request similar to the one below:

POST /cgi-bin/cgi_vista.cgi HTTP/1.1
Host: target.example.com
Content-Type: application/x-www-form-urlencoded
Authorization: Basic [Base64-encoded credentials]
cmd=; [arbitrary command]

In this example, the `cmd` parameter is manipulated with an arbitrary command, which gets executed with root privileges due to the vulnerability.

Mitigation

The recommended course of action is to apply the vendor patch as soon as it is available. Until then, users can implement a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) as a temporary mitigation step. These solutions can help by blocking or alerting on suspicious traffic towards the affected endpoint.

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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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