CVE-2025-14707
📋 TL;DR
This is a critical command injection vulnerability in Shiguangwu sgwbox N3 version 2.0.25 that allows remote attackers to execute arbitrary commands on affected systems. The vulnerability exists in the DOCKER feature's http_eshell_server component and can be exploited without authentication. All users running the vulnerable version are affected.
💻 Affected Systems
- Shiguangwu sgwbox N3
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attackers to gain root access, install malware, exfiltrate data, or use the device as part of a botnet.
Likely Case
Remote code execution leading to data theft, ransomware deployment, or lateral movement within the network.
If Mitigated
Limited impact if network segmentation and strict firewall rules prevent external access to the vulnerable service.
🎯 Exploit Status
Exploit code has been publicly released and the vulnerability requires minimal technical skill to exploit. The vendor has not responded to disclosure attempts.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch is available. Monitor vendor channels for updates. Consider workarounds or replacement if vendor remains unresponsive.
🔧 Temporary Workarounds
Disable DOCKER Feature
linuxDisable the vulnerable DOCKER feature component to prevent exploitation
Check sgwbox documentation for disabling specific features
Consider removing or stopping the http_eshell_server service if possible
Network Segmentation
linuxIsolate sgwbox devices from internet and restrict internal network access
iptables -A INPUT -p tcp --dport [http_eshell_port] -j DROP
ufw deny [http_eshell_port]
🧯 If You Can't Patch
- Immediately isolate affected devices from internet and restrict network access to only necessary internal systems
- Implement strict network monitoring and intrusion detection for any traffic to/from sgwbox devices
🔍 How to Verify
Check if Vulnerable:
Check device version via web interface or SSH: grep -i version /etc/os-release or check admin panel
Check Version:
ssh admin@sgwbox 'cat /etc/os-release | grep VERSION' or check web admin interface
Verify Fix Applied:
No official fix available to verify. If vendor releases update, verify version is newer than 2.0.25
📡 Detection & Monitoring
Log Indicators:
- Unusual commands in system logs
- Suspicious processes spawned from http_eshell_server
- Unexpected network connections from sgwbox
Network Indicators:
- Unusual outbound connections from sgwbox device
- Traffic to/from unexpected ports on sgwbox
- Suspicious HTTP requests to http_eshell_server endpoint
SIEM Query:
source="sgwbox" AND (process="http_eshell_server" AND command="*;*" OR command="*|*" OR command="*`*" OR command="*$(*)")