EUVD-2025-23276

Comprehensive Technical Analysis of EUVD-2025-23276

1. Vulnerability Assessment and Severity Evaluation

The vulnerability described in EUVD-2025-23276 is an OS command injection flaw in Russound MBX-PRE-D67F firmware version 3.1.6. This vulnerability allows unauthenticated attackers to execute arbitrary commands with root privileges via the hostname parameter in network configuration requests. The severity of this vulnerability is rated with a CVSS Base Score of 9.8, which is considered critical.

CVSS Base Score Vector Breakdown:

• AV:N (Network Vector): The vulnerability is exploitable over the network.
• AC:L (Low Complexity): The attack requires low skill or resources.
• PR:N (No Privileges Required): No authentication is needed to exploit the vulnerability.
• UI:N (No User Interaction): No user interaction is required for the attack to succeed.
• S:U (Unchanged): The scope of the vulnerability does not change.
• C:H (High Confidentiality Impact): Complete loss of confidentiality.
• I:H (High Integrity Impact): Complete loss of integrity.
• A:H (High Availability Impact): Complete loss of availability.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Network-Based Attacks: Given the network vector (AV:N), attackers can exploit this vulnerability remotely without needing physical access to the device.
• Unauthenticated Access: The lack of required privileges (PR:N) means that attackers do not need to authenticate to exploit the vulnerability.

Exploitation Methods:

• Crafted Input: Attackers can send specially crafted network configuration requests with malicious input in the hostname parameter.
• Command Injection: The improper neutralization of special elements in the OS command allows attackers to inject and execute arbitrary commands with root privileges.

3. Affected Systems and Software Versions

Affected Systems:

• Russound MBX-PRE-D67F devices running firmware version 3.1.6.

Software Versions:

• Firmware version 3.1.6 is explicitly mentioned as vulnerable.

4. Recommended Mitigation Strategies

Immediate Actions:

• Patching: Apply the latest firmware update from Russound that addresses this vulnerability.
• Network Segmentation: Isolate affected devices from critical networks to limit potential damage.
• Firewall Rules: Implement strict firewall rules to restrict access to the network configuration interface.

Long-Term Strategies:

• Regular Updates: Ensure that all devices are regularly updated with the latest firmware and security patches.
• Monitoring: Implement continuous monitoring to detect and respond to any suspicious activities.
• Access Control: Enforce strict access control policies to limit who can configure network settings.

5. Impact on European Cybersecurity Landscape

The critical nature of this vulnerability poses significant risks to European organizations and individuals using the affected Russound devices. The potential for remote code execution with root privileges can lead to severe data breaches, system compromises, and loss of service. This underscores the importance of robust cybersecurity measures and timely patch management to protect against such threats.

6. Technical Details for Security Professionals

Vulnerability Details:

• CWE-78 (OS Command Injection): The vulnerability is classified under CWE-78, which involves the improper neutralization of special elements used in an OS command.
• Exploitation: The attacker can inject commands by manipulating the hostname parameter in network configuration requests, leading to arbitrary command execution.

Detection and Response:

• Log Analysis: Monitor logs for unusual network configuration requests and any signs of command injection attempts.
• Intrusion Detection Systems (IDS): Deploy IDS to detect and alert on suspicious network traffic patterns indicative of command injection attacks.
• Incident Response: Have an incident response plan in place to quickly address any detected exploitation attempts.

References:

• Google Drive Link
• Pastebin Link 1
• Pastebin Link 2

Aliases:

• CVE-2025-50475

Assigner:

• Mitre

EPSS:

• N/A

ENISA ID Product and Vendor:

• Product ID: da21bec6-b756-3b4b-b069-47e14da8f142
• Vendor ID: 058c4433-8959-3d45-a11a-090229ee19ca

By addressing this vulnerability promptly and implementing robust security measures, organizations can significantly reduce the risk of exploitation and protect their critical assets.