CVE-2024-37642
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary commands on TRENDnet TEW-814DAP wireless access points by injecting malicious commands into the ipv4_ping or ipv6_ping parameters. Attackers can gain full control of affected devices, potentially compromising network security. All users of TRENDnet TEW-814DAP v1 with firmware version 1.01B01 are affected.
💻 Affected Systems
- TRENDnet TEW-814DAP
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete device takeover leading to network compromise, data exfiltration, lateral movement to other devices, and persistent backdoor installation.
Likely Case
Unauthorized command execution allowing network reconnaissance, device configuration changes, and potential credential harvesting.
If Mitigated
Limited impact if device is isolated from untrusted networks and has restricted administrative access.
🎯 Exploit Status
Exploitation requires access to the web interface, which typically requires authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
Check TRENDnet website for firmware updates. If available, download and install via web interface: 1. Log into admin panel 2. Navigate to firmware update section 3. Upload new firmware file 4. Apply update.
🔧 Temporary Workarounds
Network Segmentation
allIsolate affected device from untrusted networks and restrict administrative access.
Access Control
linuxRestrict web interface access to trusted IP addresses only.
iptables -A INPUT -p tcp --dport 80 -s TRUSTED_IP -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -s TRUSTED_IP -j ACCEPT
iptables -A INPUT -p tcp --dport 80 -j DROP
iptables -A INPUT -p tcp --dport 443 -j DROP
🧯 If You Can't Patch
- Replace affected device with updated model or different vendor product.
- Disable web administration interface if not required for operation.
🔍 How to Verify
Check if Vulnerable:
Check firmware version via web interface: Log in > System > Firmware Update. If version is 1.01B01, device is vulnerable.Check Version:
curl -k https://DEVICE_IP/login.cgi | grep firmware_versionVerify Fix Applied:
Verify firmware version has been updated to a version later than 1.01B01.📡 Detection & Monitoring
Log Indicators:
- Unusual command execution in system logs
- Multiple failed login attempts followed by successful access
- Unexpected system configuration changes
Network Indicators:
- Unusual outbound connections from device
- Traffic to unexpected ports or IP addresses
- HTTP POST requests to /formSystemCheck with suspicious parameters
SIEM Query:
source="device_logs" AND (event="command_injection" OR url_path="/formSystemCheck" AND (param="ipv4_ping" OR param="ipv6_ping"))