CVE-2024-57014
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary operating system commands on TOTOLINK X5000R routers by injecting malicious commands through the 'recHour' parameter in the setScheduleCfg function. Attackers can potentially gain full control of affected devices. Users running vulnerable firmware versions are affected.
💻 Affected Systems
- TOTOLINK X5000R
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise allowing attackers to install persistent backdoors, pivot to internal networks, intercept traffic, or use the device for botnet activities.
Likely Case
Remote code execution leading to device takeover, credential theft, and potential lateral movement within the network.
If Mitigated
Limited impact with proper network segmentation, firewall rules blocking management interfaces from untrusted networks, and regular firmware updates.
🎯 Exploit Status
Exploitation requires understanding of command injection techniques and router firmware structure. The vulnerability is in a specific parameter that may require some reconnaissance to identify.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check TOTOLINK website for latest firmware version
Vendor Advisory: https://www.totolink.net/
Restart Required: Yes
Instructions:
1. Visit TOTOLINK official website. 2. Download latest firmware for X5000R. 3. Log into router web interface. 4. Navigate to System Tools > Firmware Upgrade. 5. Upload and install new firmware. 6. Reboot router after installation.
🔧 Temporary Workarounds
Disable Remote Management
allPrevent external access to router management interface
Network Segmentation
allIsolate router management interface from untrusted networks
🧯 If You Can't Patch
- Implement strict firewall rules to block all external access to router management interfaces (typically ports 80, 443, 8080)
- Deploy network intrusion detection systems to monitor for command injection attempts and unusual outbound connections
🔍 How to Verify
Check if Vulnerable:
Check firmware version in router web interface under System Status or System Tools > Firmware UpgradeCheck Version:
Login to router web interface and navigate to System Status pageVerify Fix Applied:
Verify firmware version has been updated to a version later than V9.1.0cu.2350_B20230313📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to setScheduleCfg endpoint
- Commands containing shell metacharacters in recHour parameter
- Failed authentication attempts followed by successful command execution
Network Indicators:
- Unusual outbound connections from router to external IPs
- Traffic patterns suggesting command-and-control communication
- Port scanning originating from router
SIEM Query:
source="router_logs" AND (uri="/cgi-bin/setScheduleCfg" OR parameter="recHour") AND (content="|" OR content="$" OR content="&" OR content=";")