CVE-2025-15257
📋 TL;DR
This CVE describes a command injection vulnerability in the Edimax BR-6208AC router's web configuration interface. Attackers can execute arbitrary commands remotely by manipulating route configuration parameters. Only users of the discontinued BR-6208AC V2 models are affected.
💻 Affected Systems
- Edimax BR-6208AC V2
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full router compromise allowing attacker to intercept all network traffic, install persistent backdoors, pivot to internal networks, and use router for DDoS attacks or cryptocurrency mining.
Likely Case
Router takeover leading to network monitoring, credential theft, DNS hijacking, and use as attack platform against internal devices.
If Mitigated
Limited impact if router is isolated in separate VLAN with strict firewall rules and no internal network access.
🎯 Exploit Status
Public exploit code available. Attack requires network access to router web interface but no authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: None
Vendor Advisory: No official advisory - vendor states product is End of Life
Restart Required: No
Instructions:
No official patch available. Vendor recommends replacing device with newer model.
🔧 Temporary Workarounds
Disable Web Interface
allDisable the vulnerable web configuration interface entirely
Access router CLI via SSH/Telnet and disable web interface (specific commands vary by configuration)
Network Segmentation
allIsolate router in separate VLAN with no access to internal network
Configure firewall rules to restrict router management interface access
🧯 If You Can't Patch
- Immediately replace affected routers with supported models
- Implement strict firewall rules blocking all external access to router management interface (ports 80/443)
🔍 How to Verify
Check if Vulnerable:
Check router firmware version via web interface at http://router-ip/ or via CLI command 'show version'Check Version:
ssh admin@router-ip 'show version' or check web interface System Status pageVerify Fix Applied:
Cannot verify fix as no patch exists. Verify replacement with new router model.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /gogorm/formRoute with shell metacharacters in parameters
- Router logs showing unexpected command execution
Network Indicators:
- Unusual outbound connections from router to external IPs
- DNS queries from router to suspicious domains
SIEM Query:
source="router-logs" AND (uri="/gogorm/formRoute" AND (param="strIp" OR param="strMask" OR param="strGateway") AND value MATCHES "[;&|`$()]+")