CVE-2025-15139
📋 TL;DR
This CVE describes a command injection vulnerability in TRENDnet TEW-822DRE routers that allows remote attackers to execute arbitrary commands on affected devices. Attackers can exploit this by manipulating the peerPin parameter in the formWsc function. All users of affected TRENDnet router models are potentially at risk.
💻 Affected Systems
- TRENDnet TEW-822DRE
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise allowing attacker to install persistent backdoors, intercept network traffic, pivot to internal networks, or use device as part of botnet.
Likely Case
Remote code execution leading to device takeover, network monitoring, or denial of service.
If Mitigated
Limited impact if device is behind firewall with restricted WAN access and proper network segmentation.
🎯 Exploit Status
Exploit details have been publicly disclosed and the vulnerability requires minimal technical skill to exploit.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Vendor did not respond to disclosure. Consider replacing affected devices or implementing workarounds.
🔧 Temporary Workarounds
Disable WPS functionality
allTurn off Wi-Fi Protected Setup (WPS) feature which may reduce attack surface
Network segmentation
allIsolate affected routers from critical network segments
🧯 If You Can't Patch
- Replace affected TRENDnet TEW-822DRE routers with different models from vendors that provide security updates
- Place routers behind firewalls with strict inbound rules and disable remote administration features
🔍 How to Verify
Check if Vulnerable:
Check router firmware version via web interface at http://[router-ip]/ or via serial consoleCheck Version:
Check router web interface or use: curl http://[router-ip]/Verify Fix Applied:
No fix available to verify. Consider testing with vulnerability scanners if patches become available.📡 Detection & Monitoring
Log Indicators:
- Unusual command execution in router logs
- Failed authentication attempts to formWsc endpoint
- Suspicious POST requests to /boafrm/formWsc
Network Indicators:
- Unusual outbound connections from router
- Traffic patterns indicating command and control communication
- Port scanning originating from router
SIEM Query:
source="router_logs" AND (uri="/boafrm/formWsc" OR message="peerPin")