CVE-2025-6531
📋 TL;DR
This vulnerability allows unauthenticated access to live video streams and recorded video files from SIFUSM/MZZYG BD S1 dashcams. Attackers on the same local network can view private footage without credentials. This affects dashcams sold under various brand names with firmware up to June 11, 2025.
💻 Affected Systems
- SIFUSM/MZZYG BD S1 dashcam and rebranded variants
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Complete loss of privacy as attackers can monitor live feeds and download all recorded footage, potentially capturing sensitive locations, conversations, or activities.
Likely Case
Unauthorized surveillance of dashcam footage, exposing personal or business activities recorded by the device.
If Mitigated
No access to video streams or recordings without proper authentication.
🎯 Exploit Status
Public GitHub repository contains proof-of-concept. Simple network access to RTSP endpoint (typically port 554) allows exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None known
Restart Required: No
Instructions:
No official patch available. Check manufacturer website for firmware updates beyond 20250611.
🔧 Temporary Workarounds
Network Segmentation
allIsolate dashcam network from other devices to limit attack surface
Disable RTSP Service
allTurn off RTSP streaming if not required for functionality
🧯 If You Can't Patch
- Place dashcam on isolated VLAN separate from sensitive networks
- Implement network firewall rules to block RTSP (port 554) access except from authorized monitoring systems
🔍 How to Verify
Check if Vulnerable:
Attempt to access RTSP stream without authentication: rtsp://[dashcam-ip]:554/liveCheck Version:
Check dashcam firmware version in device settings or web interfaceVerify Fix Applied:
Verify authentication is required for RTSP stream access or service is disabled📡 Detection & Monitoring
Log Indicators:
- Multiple failed authentication attempts to RTSP endpoint
- Unauthorized RTSP connection attempts
Network Indicators:
- Unusual RTSP traffic patterns
- RTSP connections from unexpected IP addresses
SIEM Query:
destination_port=554 AND NOT (source_ip IN [authorized_ips])