CVE-2020-11926
📋 TL;DR
CVE-2020-11926 allows unauthenticated attackers to retrieve device credentials and Wi-Fi network information from Luvion Grand Elite 3 Connect devices. This affects users of these devices through 2020-02-25, exposing authentication credentials and wireless network security keys.
💻 Affected Systems
- Luvion Grand Elite 3 Connect
⚠️ 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 device compromise leading to unauthorized access, network infiltration, and potential lateral movement within connected networks.
Likely Case
Unauthorized access to device management interface, theft of Wi-Fi credentials, and potential device takeover.
If Mitigated
Limited to information disclosure without further exploitation if network segmentation and access controls are properly implemented.
🎯 Exploit Status
Exploitation requires only a simple HTTP request to retrieve JavaScript files containing credentials. No authentication or special tools needed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available. Check vendor website for firmware updates or consider device replacement.
🔧 Temporary Workarounds
Network Segmentation
allIsolate affected devices from critical networks and internet access
Access Control Lists
allImplement strict network ACLs to limit access to device management interfaces
🧯 If You Can't Patch
- Disconnect device from network or place behind strict firewall rules
- Change all associated credentials including Wi-Fi passwords and device admin credentials
🔍 How to Verify
Check if Vulnerable:
Access device web interface and inspect JavaScript files for embedded credentials via browser developer tools or curl requestsCheck Version:
Check device firmware version in web interface or device management consoleVerify Fix Applied:
Check if credentials are no longer exposed in JavaScript files or web responses📡 Detection & Monitoring
Log Indicators:
- Unusual access to JavaScript files, multiple failed authentication attempts followed by successful access
Network Indicators:
- HTTP requests to device JavaScript files from unauthorized sources, unusual outbound connections from device
SIEM Query:
source_ip=* dest_ip=[device_ip] uri_path="*.js" | stats count by source_ip