CVE-2026-1410
📋 TL;DR
This vulnerability in Beetel 777VR1 routers allows attackers to bypass authentication via the UART interface, potentially gaining unauthorized access to the device. Physical access to the device is required for exploitation. Users of Beetel 777VR1 routers up to version 01.00.09/01.00.09_55 are affected.
💻 Affected Systems
- Beetel 777VR1
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise allowing attacker to modify firmware, steal credentials, intercept network traffic, or use device as pivot point into internal network.
Likely Case
Unauthorized access to router configuration, potential network disruption, or credential theft from connected devices.
If Mitigated
Limited impact due to physical access requirement and high exploitation complexity.
🎯 Exploit Status
Exploit requires physical access and technical skill to access UART interface. Public exploit details available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Vendor did not respond to disclosure.
🔧 Temporary Workarounds
Physical Security Controls
allRestrict physical access to router devices to prevent UART interface exploitation.
UART Interface Disable/Protect
allPhysically disable or protect UART interface pins if hardware modification is feasible.
🧯 If You Can't Patch
- Implement strict physical security controls around router locations
- Monitor for unauthorized physical access to network equipment
🔍 How to Verify
Check if Vulnerable:
Check router firmware version via web interface or serial console. Vulnerable if version is 01.00.09/01.00.09_55 or earlier.Check Version:
Check via router web interface or serial console connectionVerify Fix Applied:
No official fix available to verify. Consider replacing with different router model.📡 Detection & Monitoring
Log Indicators:
- Unexpected configuration changes
- Unauthorized access attempts via serial interface
Network Indicators:
- Unusual network traffic patterns from router
- Unexpected DNS or routing changes
SIEM Query:
Search for router configuration changes outside maintenance windows or unauthorized serial access events