CVE-2024-47001
📋 TL;DR
This vulnerability allows remote authenticated attackers to execute arbitrary operating system commands on TAKENAKA ENGINEERING digital video recorders. Attackers can also alter device settings, potentially compromising video surveillance systems. Organizations using affected DVRs for security monitoring are at risk.
💻 Affected Systems
- TAKENAKA ENGINEERING CO., LTD. digital video recorders
⚠️ 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 compromise of DVR system allowing attackers to disable surveillance, exfiltrate video footage, pivot to internal networks, or deploy ransomware on connected systems.
Likely Case
Attackers gain persistent access to DVR systems, manipulate video recordings, disable security monitoring, or use DVRs as footholds for further network attacks.
If Mitigated
Limited impact with proper network segmentation and authentication controls, though authenticated users could still exploit the vulnerability.
🎯 Exploit Status
Exploitation requires authenticated access but hidden functionality suggests straightforward command injection once authenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified in available references
Vendor Advisory: https://www.takex-eng.co.jp/ja/news/news.php?s=68
Restart Required: Yes
Instructions:
1. Contact TAKENAKA ENGINEERING for firmware updates. 2. Download latest firmware from vendor portal. 3. Backup DVR configuration. 4. Apply firmware update via web interface. 5. Verify update completion and functionality.
🔧 Temporary Workarounds
Network Segmentation
allIsolate DVR systems from internet and restrict internal network access
Authentication Hardening
allChange default credentials, enforce strong passwords, implement account lockout policies
🧯 If You Can't Patch
- Implement strict network access controls allowing only necessary connections to DVR management interfaces
- Monitor DVR systems for unusual authentication attempts or configuration changes
🔍 How to Verify
Check if Vulnerable:
Check DVR model and firmware version against vendor advisory. Test for hidden functionality in authenticated web interface.Check Version:
Check via DVR web interface: System > Information or similar menuVerify Fix Applied:
Verify firmware version matches patched version from vendor. Test that command injection attempts are blocked.📡 Detection & Monitoring
Log Indicators:
- Unusual authentication patterns
- Configuration changes outside maintenance windows
- Unexpected command execution in system logs
Network Indicators:
- Unusual outbound connections from DVR systems
- Traffic to unexpected ports from DVR management interfaces
SIEM Query:
source="dvr_logs" AND (event="configuration_change" OR event="command_execution")