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CVE-2025-23173: Critical Risk Vulnerability in Versa Director SD-WAN Orchestration Platform

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Overview

The CVE-2025-23173 vulnerability pertains to the Versa Director SD-WAN orchestration platform. This report analyzes this critical vulnerability, which poses a significant risk to Versa Director users globally due to its potential for system compromise or data leakage. It is essential to address this vulnerability promptly to mitigate the adverse impacts.

Vulnerability Summary

CVE ID: CVE-2025-23173
Severity: High (CVSS: 7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential system compromise or data leakage

Affected Products

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Product | Affected Versions

Versa Director SD-WAN Orchestration Platform | Versions prior to remediated software versions

How the Exploit Works

The Versa Director SD-WAN orchestration platform provides direct web-based access to uCPE virtual machines through the Director GUI. By default, the websockify service is exposed on port 6080 and can be accessed from the internet. Attackers can exploit weaknesses in the websockify service to potentially gain remote code execution capabilities.

Conceptual Example Code

A conceptual example of how the vulnerability might be exploited could involve a malicious HTTP request to the websockify service. This might look something like:

POST /websockify?token=TARGET_TOKEN HTTP/1.1
Host: target.example.com:6080
Upgrade: websocket
Connection: Upgrade
Sec-WebSocket-Key: x3JJHMbDL1EzLkh9GBhXDw==
Sec-WebSocket-Version: 13
{ "malicious_payload": "..." }

In the above example, the attacker would replace “TARGET_TOKEN” with the token of the target uCPE virtual machine, and “malicious_payload” with the actual malicious payload designed to exploit the weaknesses in the websockify service.

Workarounds and Mitigation

As a workaround, users can restrict access to TCP port 6080 if uCPE console access is not necessary. Versa Networks recommends that Director be upgraded to one of the remediated software versions. As an alternative temporary mitigation, users can apply a vendor patch or use a Web Application Firewall (WAF) or Intrusion Detection System (IDS).

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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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