CVE-2025-6565
📋 TL;DR
A critical stack-based buffer overflow vulnerability in Netgear WNCE3001's HTTP POST request handler allows remote attackers to execute arbitrary code by manipulating the Host argument. This affects all users of the vulnerable firmware version. Successful exploitation could lead to complete device compromise.
💻 Affected Systems
- Netgear WNCE3001 Wireless-N Ethernet Adapter
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to full device takeover, persistence, lateral movement, and data exfiltration.
Likely Case
Device compromise leading to denial of service, credential theft, or use as a pivot point in network attacks.
If Mitigated
Limited impact if device is isolated, monitored, and has no critical data, though still vulnerable to DoS.
🎯 Exploit Status
Public proof-of-concept code exists, making exploitation straightforward for attackers with basic skills.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available at time of analysis
Restart Required: Yes
Instructions:
1. Check Netgear support site for firmware updates. 2. If update available, download and install per vendor instructions. 3. Reboot device after update.
🔧 Temporary Workarounds
Network Segmentation
allIsolate affected devices in separate VLANs with strict firewall rules.
Access Control
allRestrict network access to device management interface to trusted IPs only.
🧯 If You Can't Patch
- Replace device with supported model if no patch becomes available
- Implement strict network monitoring and anomaly detection for exploit attempts
🔍 How to Verify
Check if Vulnerable:
Check firmware version via device web interface or SSH if enabled. Version 1.0.0.50 is vulnerable.Check Version:
Check device web interface at http://[device-ip]/ or consult device documentation for CLI commands.Verify Fix Applied:
Verify firmware version is updated to a version later than 1.0.0.50.📡 Detection & Monitoring
Log Indicators:
- Unusual HTTP POST requests with manipulated Host headers
- Device crash/restart logs
- Memory corruption error messages
Network Indicators:
- HTTP traffic with abnormally long Host headers to device management port
- Sudden device unresponsiveness after HTTP POST
SIEM Query:
source="device_logs" AND ("http_d" OR "buffer overflow" OR "Host: [long string]")