CVE-2025-57199
📋 TL;DR
This vulnerability allows authenticated attackers to execute arbitrary commands on AVTECH SECURITY Corporation DGM1104 devices through the NetFailDetectD binary. Attackers can gain full system control by injecting malicious commands via crafted input. Organizations using affected AVTECH DGM1104 devices are at risk.
💻 Affected Systems
- AVTECH SECURITY Corporation DGM1104
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attackers to install persistent backdoors, exfiltrate sensitive data, pivot to other network systems, or render devices inoperable.
Likely Case
Attackers gain shell access to execute commands, potentially installing cryptocurrency miners, conducting reconnaissance, or establishing footholds for further attacks.
If Mitigated
Limited impact if network segmentation, strict access controls, and monitoring prevent exploitation attempts from reaching vulnerable systems.
🎯 Exploit Status
Exploit details and proof-of-concept are available in the GitHub repository. Requires valid credentials to exploit.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: http://avtech.com
Restart Required: No
Instructions:
1. Check AVTECH website for security advisories. 2. If patch available, download firmware update. 3. Backup device configuration. 4. Apply firmware update via web interface or CLI. 5. Verify update completed successfully.
🔧 Temporary Workarounds
Network Segmentation
allIsolate DGM1104 devices from critical networks and internet access
Access Control Restrictions
linuxLimit administrative access to trusted IP addresses only
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
- Implement strict network segmentation to isolate vulnerable devices
- Enforce strong authentication policies and monitor for suspicious login attempts
🔍 How to Verify
Check if Vulnerable:
Check device firmware version via web interface or SSH: cat /etc/version | grep FullImg
Check Version:
cat /etc/version
Verify Fix Applied:
Verify firmware version has been updated to a version not containing FullImg-1015-1004-1006-1003
📡 Detection & Monitoring
Log Indicators:
- Unusual command execution in system logs
- Multiple failed authentication attempts followed by successful login
- Suspicious process creation from NetFailDetectD
Network Indicators:
- Unusual outbound connections from DGM1104 devices
- Traffic to known malicious IPs or domains
- Unexpected SSH or reverse shell connections
SIEM Query:
source="dgm1104" AND (event="command_injection" OR process="NetFailDetectD" AND cmd="*;*" OR cmd="*|*")