CVE-2025-30115

Remediation/Mitigation Strategy for CVE-2025-30115: Forvia Hella DR 820 Default Credentials Vulnerability

This document outlines the remediation and mitigation strategies for CVE-2025-30115, a critical vulnerability affecting the Forvia Hella HELLA Driving Recorder DR 820.

1. Vulnerability Description:

  • Vulnerability: CVE-2025-30115 exposes a critical security flaw in the Forvia Hella DR 820 driving recorder. The device uses a fixed, non-changeable default SSID (“qwertyuiop”) and password. This SSID is continuously broadcast, making the device vulnerable to unauthorized network access.
  • Affected Product: Forvia Hella HELLA Driving Recorder DR 820.

2. Severity:

  • CVSS Score: 9.8 (Critical)
    • Explanation: This score indicates the vulnerability is highly critical due to the ease of exploitation and the potential impact. The fixed credentials, combined with the constant SSID broadcast, allow attackers to easily gain unauthorized access to the device network.

3. Known Exploits:

  • Exploit Vector: Attackers within range of the device’s Wi-Fi signal can easily connect to the device network using the default SSID and password (“qwertyuiop”).
  • Exploit Impact:
    • Unauthorized Access: Attackers can gain full access to the device’s network.
    • Data Theft: Potential access to recorded video footage and other sensitive data stored on the device.
    • Malware Injection: Possibility of injecting malicious software onto the device, potentially compromising other devices on the same network, or using the device as a botnet node.
    • Privacy Violation: Unauthorized access to recorded video footage leads to severe privacy violations.
    • Device Tampering: Attackers may be able to modify device settings or functionalities.

4. Remediation and Mitigation Strategies:

Given the inability to change the default credentials, the remediation and mitigation strategies focus on isolating the device and reducing the attack surface.

  • Priority: IMMEDIATE - This vulnerability requires immediate action due to its high criticality and ease of exploitation.

  • Strategies:

    • Short-Term Mitigation (Within 24-48 Hours):

      • Network Segmentation: Immediately isolate the DR 820 device onto a separate, segmented network. This network should have limited access to the main network and other sensitive resources. Use a firewall to restrict traffic to and from the device. This is the MOST critical immediate action.
      • Disable Wi-Fi (If Possible and Functionality Allows): If the DR 820’s core functionality does not rely on Wi-Fi connectivity (e.g., it only needs to record locally), disable the Wi-Fi functionality altogether. Consult the device’s documentation for instructions. If Wi-Fi is required only for specific tasks (e.g., firmware updates), only enable it temporarily when needed and disable it immediately afterward.
      • Physical Security: Implement physical security measures to prevent unauthorized access to the device itself. This might involve securing the device within a locked enclosure or ensuring it is mounted in a location difficult to reach.
      • Monitoring: Implement network monitoring to detect any unauthorized access attempts to the device or the network segment it resides on. Look for suspicious traffic patterns originating from the device.

    • Long-Term Remediation (Within 1-2 Weeks):

      • Vendor Patch/Firmware Update: This is the ultimate solution. Contact Forvia Hella immediately and demand a firmware update that addresses the vulnerability by:
        • Allowing users to change the default SSID and password.
        • Implementing stronger default passwords.
        • Disabling SSID broadcast by default.
        • Implementing proper authentication and authorization mechanisms.
      • Device Replacement (If No Patch Available): If Forvia Hella cannot provide a timely firmware update, consider replacing the device with a more secure alternative that allows for customizable credentials and offers robust security features. Ensure the replacement device has a strong security track record.
      • Virtual Private Network (VPN): If Wi-Fi connectivity is essential and a firmware update is not available, consider implementing a VPN connection between the device and the rest of the network. This will encrypt the traffic and provide an additional layer of security, albeit not a replacement for fixing the underlying vulnerability. This approach is complex and requires significant expertise.
      • Wireless Intrusion Detection/Prevention System (WIDS/WIPS): Deploy a WIDS/WIPS to monitor the wireless network for unauthorized access attempts and actively prevent attackers from connecting to the DR 820’s Wi-Fi network. Configure alerts for connections using the default SSID.

  • Communication:

    • Internal Communication: Communicate the vulnerability and the implemented mitigation strategies to all relevant stakeholders, including IT security personnel, network administrators, and device users.
    • Vendor Communication: Maintain constant communication with Forvia Hella to track the progress of the firmware update and ensure they are aware of the severity of the issue.
    • External Communication: Consider notifying relevant CERT/CSIRT organizations about the vulnerability to raise awareness and facilitate coordinated vulnerability disclosure.

  • Testing and Validation:

    • After implementing any mitigation or remediation strategy, thoroughly test the solution to ensure its effectiveness.
    • Conduct penetration testing to identify any remaining vulnerabilities.

5. Disclaimer:

This remediation/mitigation strategy provides general recommendations. The specific actions required will depend on the specific environment and risk tolerance. Consult with security professionals to develop a tailored plan that meets your organization’s needs. The suggested solutions are based on the information provided and assume the device is solely for recording video. Additional functionalities may necessitate alternative solutions.

Assigner

Date

  • Published Date: 2025-03-18 00:00:00
  • Updated Date: 2025-03-21 14:15:17

More Details

CVE-2025-30115