CVE-2026-2188
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary operating system commands on UTT 进取 521G devices through command injection in the formPdbUpConfig function. Attackers can exploit this by manipulating the policyNames argument, potentially gaining full control of affected devices. Organizations using UTT 进取 521G version 3.1.1-190816 are affected.
💻 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, steal sensitive data, pivot to internal networks, or use devices as botnet nodes.
Likely Case
Remote code execution leading to device takeover, credential theft, and potential lateral movement within the network.
If Mitigated
Limited impact if devices are isolated in separate network segments with strict egress filtering and monitored for suspicious activity.
🎯 Exploit Status
Public exploit details are available on GitHub, making exploitation straightforward for attackers with basic skills.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Unknown
Restart Required: No
Instructions:
No official patch is currently available. Monitor vendor channels for updates and apply immediately when released.
🔧 Temporary Workarounds
Network Segmentation
allIsolate affected devices in separate VLANs with strict firewall rules to prevent external access and limit lateral movement.
Access Control
linuxRestrict access to the device's management interface to trusted IP addresses only using firewall rules.
iptables -A INPUT -p tcp --dport 80 -s trusted_ip -j ACCEPT
iptables -A INPUT -p tcp --dport 80 -j DROP
🧯 If You Can't Patch
- Immediately remove affected devices from internet-facing positions and place behind firewalls with strict ingress/egress filtering.
- Implement network monitoring for unusual outbound connections or command execution patterns from these devices.
🔍 How to Verify
Check if Vulnerable:
Check device version via web interface or CLI. If running 3.1.1-190816, assume vulnerable.Check Version:
Check web interface system info page or use device-specific CLI commands if available.Verify Fix Applied:
Verify version has been updated beyond 3.1.1-190816 when vendor releases patch.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /goform/formPdbUpConfig
- Suspicious command execution in system logs
- Multiple failed login attempts followed by successful access
Network Indicators:
- Unexpected outbound connections from device
- Traffic to known malicious IPs
- Unusual port activity from device
SIEM Query:
source="device_logs" AND (url="/goform/formPdbUpConfig" OR cmd="*;*" OR cmd="*|*" OR cmd="*`*" OR cmd="*$(*")