CVE-2025-30117
📋 TL;DR
This vulnerability allows unauthorized attackers to bypass pairing on Forvia Hella HELLA Driving Recorder DR 820 devices, enabling access to sensitive user/vehicle data and manipulation of power settings. Attackers can disable recording, delete footage, and turn off battery protection, potentially draining vehicle batteries. All users of the affected driving recorder are impacted.
💻 Affected Systems
- Forvia Hella HELLA Driving Recorder DR 820
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete vehicle battery drainage leaving the vehicle inoperable, permanent loss of all recorded footage, and exposure of sensitive personal/vehicle information.
Likely Case
Unauthorized access to vehicle/user data, deletion of recent driving footage, and temporary disruption of recording functionality.
If Mitigated
Limited exposure if device is physically secured and network access is restricted, though physical proximity attacks remain possible.
🎯 Exploit Status
Requires bypassing device pairing mechanism first; technical details available in research publications.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check with vendor for specific patched version
Vendor Advisory: Contact Forvia Hella directly for security advisories
Restart Required: No
Instructions:
1. Contact Forvia Hella support for firmware update. 2. Download latest firmware from official vendor portal. 3. Apply firmware update following manufacturer instructions. 4. Verify update completion through device interface.
🔧 Temporary Workarounds
Physical Security Enhancement
allRestrict physical access to the driving recorder device to prevent unauthorized pairing attempts
Network Isolation
allIsolate the driving recorder from any network connectivity to prevent remote exploitation
🧯 If You Can't Patch
- Disconnect device from vehicle network entirely
- Physically remove or disable the driving recorder
🔍 How to Verify
Check if Vulnerable:
Check if unauthorized pairing is possible via Bluetooth or device interface without proper authenticationCheck Version:
Check firmware version through device settings menu or manufacturer's diagnostic toolVerify Fix Applied:
Test if pairing bypass is no longer possible and settings interface requires proper authentication📡 Detection & Monitoring
Log Indicators:
- Unauthorized pairing attempts
- Settings changes without authentication
- Battery protection disabled events
Network Indicators:
- Unexpected Bluetooth pairing requests
- Unauthorized access to device management interface
SIEM Query:
Search for 'HELLA DR 820' device events with unauthorized access patterns or pairing anomalies