CVE-2026-2086
📋 TL;DR
A buffer overflow vulnerability in the UTT HiPER 810G firewall's management interface allows remote attackers to execute arbitrary code or crash the device. The vulnerability exists in the strcpy function handling the GroupName parameter, enabling remote exploitation. All users of UTT HiPER 810G firmware versions up to 1.7.7-171114 are affected.
💻 Affected Systems
- UTT HiPER 810G
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete device compromise, network infiltration, and persistent backdoor installation.
Likely Case
Device crash causing denial of service and potential network disruption.
If Mitigated
Limited impact if device is isolated behind firewalls with restricted management interface access.
🎯 Exploit Status
Public exploit details available on GitHub, making exploitation straightforward for attackers.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available - vendor did not respond to disclosure
Restart Required: Yes
Instructions:
No official patch available. Consider upgrading to newer firmware versions if available, or implement workarounds.
🔧 Temporary Workarounds
Restrict Management Interface Access
linuxBlock external access to the management interface using firewall rules
iptables -A INPUT -p tcp --dport [management-port] -j DROP
Disable Remote Management
allDisable remote management features if not required
🧯 If You Can't Patch
- Isolate affected devices in separate network segments with strict access controls
- Implement network monitoring and intrusion detection for exploitation attempts
🔍 How to Verify
Check if Vulnerable:
Check firmware version via web interface or CLI: System > System Info > Firmware VersionCheck Version:
Check via web interface or use SNMP queries if configuredVerify Fix Applied:
Verify firmware version is newer than 1.7.7-171114📡 Detection & Monitoring
Log Indicators:
- Multiple failed connection attempts to management interface
- Unusual traffic patterns to /goform/formFireWall
Network Indicators:
- Unusual payloads in HTTP POST requests to management interface
- Traffic containing long GroupName parameters
SIEM Query:
source_ip=* AND dest_port=[management-port] AND http_uri="/goform/formFireWall" AND http_method="POST" AND content_length>100