EUVD-2025-24000

Comprehensive Technical Analysis of EUVD-2025-24000

1. Vulnerability Assessment and Severity Evaluation

Vulnerability Description: The Burk Technology ARC Solo device's password change mechanism lacks proper authentication procedures. This flaw allows an attacker to send a password change request directly to the device's HTTP endpoint without providing valid credentials. The system fails to enforce proper authentication or session validation, enabling unauthorized password changes.

Severity Evaluation: The vulnerability has a CVSS Base Score of 9.8, which is classified as Critical. The CVSS vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H indicates the following:

• Attack Vector (AV): Network (N)
• Attack Complexity (AC): Low (L)
• Privileges Required (PR): None (N)
• User Interaction (UI): None (N)
• Scope (S): Unchanged (U)
• Confidentiality (C): High (H)
• Integrity (I): High (H)
• Availability (A): High (H)

This high severity score underscores the critical nature of the vulnerability, which can lead to complete compromise of the device.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Network-Based Attack: An attacker can exploit this vulnerability over the network by sending a specially crafted HTTP request to the device's HTTP endpoint.
• Automated Scripts: Attackers can use automated scripts to scan for vulnerable devices and send password change requests en masse.

Exploitation Methods:

• Direct HTTP Request: An attacker can send a direct HTTP request to the device's password change endpoint without needing to authenticate.
• Man-in-the-Middle (MitM) Attack: An attacker can intercept and modify network traffic to inject a password change request.

3. Affected Systems and Software Versions

Affected Systems:

• Burk Technology ARC Solo devices

Affected Software Versions:

• All versions prior to 1.0.62

4. Recommended Mitigation Strategies

Immediate Mitigation:

• Network Segmentation: Isolate the ARC Solo devices from public networks to limit exposure.
• Firewall Rules: Implement strict firewall rules to block unauthorized access to the device's HTTP endpoint.
• Monitoring: Enable logging and monitoring to detect and respond to unauthorized password change attempts.

Long-Term Mitigation:

• Patch Management: Apply the latest firmware updates provided by Burk Technology.
• Authentication Enhancements: Ensure that all authentication mechanisms are properly enforced and validated.
• Regular Audits: Conduct regular security audits to identify and remediate similar vulnerabilities.

5. Impact on European Cybersecurity Landscape

The vulnerability poses a significant risk to European organizations using Burk Technology ARC Solo devices, particularly in critical infrastructure sectors such as broadcasting and telecommunications. Unauthorized access to these devices can lead to service disruptions, data breaches, and potential misuse of broadcasting capabilities. The high severity of this vulnerability underscores the need for robust cybersecurity measures and continuous monitoring to protect against such threats.

6. Technical Details for Security Professionals

Technical Overview:

• Vulnerable Endpoint: The HTTP endpoint responsible for handling password change requests.
• Lack of Authentication: The endpoint does not require valid credentials or session tokens to process the request.
• Exploit Payload: A simple HTTP POST request with the new password can be sent to the endpoint to change the password.

Example Exploit Payload:

POST /change_password HTTP/1.1
Host: <device_ip>
Content-Type: application/x-www-form-urlencoded

new_password=attacker_password

Detection and Response:

• Intrusion Detection Systems (IDS): Configure IDS to detect and alert on unauthorized password change requests.
• Log Analysis: Regularly review device logs for suspicious activities related to password changes.
• Incident Response Plan: Develop and implement an incident response plan to quickly address and mitigate any unauthorized access attempts.

Conclusion: The vulnerability in Burk Technology ARC Solo devices is critical and requires immediate attention. Organizations should prioritize patching affected devices and implementing robust security measures to protect against potential exploitation. Continuous monitoring and regular security audits are essential to maintain a strong cybersecurity posture.

References:

• CISA ICS Advisory
• Burk Technology ARC Solo Product Page

Aliases:

• CVE-2025-5095

Assigner:

• icscert

EPSS:

• N/A

ENISA ID Product:

• [{"id":"5064111d-f123-3d5a-bb11-a1c80508f946","product":{"name":"ARC Solo"},"product_version":"0 <1.0.62"}]

ENISA ID Vendor:

• [{"id":"26cd7def-0c48-3dd7-8fa6-7a193786ce96","vendor":{"name":"Burk Technology"}}]