CVE-2026-2182
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary commands on UTT 进取 521G devices by injecting malicious input into the password parameter of the setSysAdm function. Attackers can exploit this to gain full control of affected devices. Only UTT 进取 521G version 3.1.1-190816 is confirmed vulnerable.
💻 Affected Systems
- UTT 进取 521G
⚠️ 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 allowing attackers to install persistent backdoors, pivot to internal networks, exfiltrate data, or use the device for botnet activities.
Likely Case
Attackers gain shell access to execute commands, potentially installing cryptocurrency miners, conducting DDoS attacks, or stealing network credentials.
If Mitigated
If network segmentation and proper access controls are in place, impact is limited to the compromised device with minimal lateral movement.
🎯 Exploit Status
Public proof-of-concept exploit available on GitHub. Attack requires no authentication and uses simple command injection techniques.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None found
Restart Required: No
Instructions:
No official patch available. Check vendor website for firmware updates. If unavailable, implement workarounds immediately.
🔧 Temporary Workarounds
Network Access Restriction
linuxBlock external access to device management interface
iptables -A INPUT -p tcp --dport 80 -j DROP
iptables -A INPUT -p tcp --dport 443 -j DROP
Input Validation via WAF
allDeploy web application firewall to block command injection patterns
🧯 If You Can't Patch
- Isolate device in separate VLAN with strict firewall rules
- Disable remote management interface if not required
🔍 How to Verify
Check if Vulnerable:
Check firmware version via web interface or SSH. If version is 3.1.1-190816, device is vulnerable.Check Version:
ssh admin@device_ip 'cat /etc/version' or check web interface System Info pageVerify Fix Applied:
Test if command injection is possible by attempting exploitation with safe payloads (e.g., 'whoami' command).📡 Detection & Monitoring
Log Indicators:
- Unusual commands in system logs
- Multiple failed login attempts to /goform/setSysAdm
- Suspicious process execution
Network Indicators:
- HTTP POST requests to /goform/setSysAdm with shell metacharacters
- Outbound connections from device to unknown IPs
SIEM Query:
source="device_logs" AND (url="/goform/setSysAdm" AND (passwd1="*;*" OR passwd1="*|*" OR passwd1="*`*"))