CVE-2024-51010
📋 TL;DR
This CVE describes a command injection vulnerability in specific Netgear router models that allows attackers to execute arbitrary operating system commands through the ap_mode.cgi component. Attackers can exploit this by sending crafted requests containing malicious commands in the apmode_gateway parameter. Users of affected Netgear router models with vulnerable firmware versions are at risk.
💻 Affected Systems
- Netgear R8500
- Netgear XR300
- Netgear R7000P
- Netgear R6400 v2
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of the router allowing attackers to install persistent backdoors, intercept all network traffic, pivot to internal networks, and potentially brick the device.
Likely Case
Router compromise leading to network traffic interception, DNS hijacking, credential theft, and installation of malware on connected devices.
If Mitigated
Limited impact if routers are behind firewalls with strict inbound filtering and network segmentation prevents lateral movement.
🎯 Exploit Status
Exploitation requires access to the router's web interface but does not require authentication. The vulnerability is in a CGI script that processes user input without proper sanitization.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Netgear security advisory for latest patched versions
Vendor Advisory: https://www.netgear.com/about/security/
Restart Required: Yes
Instructions:
1. Log into Netgear router web interface. 2. Navigate to Advanced > Administration > Firmware Update. 3. Check for updates and apply if available. 4. Alternatively, download latest firmware from Netgear support site and manually upload. 5. Reboot router after update.
🔧 Temporary Workarounds
Disable Remote Management
allPrevent external access to router web interface
Log into router > Advanced > Administration > Remote Management > Disable
Network Segmentation
allIsolate router management interface from untrusted networks
Configure firewall rules to restrict access to router IP on ports 80/443
🧯 If You Can't Patch
- Replace affected routers with supported models
- Implement network monitoring and intrusion detection for suspicious router access patterns
🔍 How to Verify
Check if Vulnerable:
Check router firmware version in web interface: Advanced > Administration > Firmware UpdateCheck Version:
Router web interface or check sticker on device for model/versionVerify Fix Applied:
Verify firmware version matches or exceeds patched versions listed in Netgear advisory📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /ap_mode.cgi
- Commands containing shell metacharacters in apmode_gateway parameter
- Multiple failed login attempts followed by successful access
Network Indicators:
- Unusual outbound connections from router IP
- DNS queries to suspicious domains from router
- Unexpected port scans originating from router
SIEM Query:
source="router_logs" AND (uri="/ap_mode.cgi" OR (uri CONTAINS "cgi" AND params CONTAINS "apmode_gateway"))