CVE-2024-42658
📋 TL;DR
This vulnerability in wishnet Nepstech Wifi Router NTPL-XPON1GFEVN v1.0 allows remote attackers to extract sensitive information through cookie parameters. Attackers can potentially access authentication credentials or other confidential data. Only users of this specific router model and version are affected.
💻 Affected Systems
- wishnet Nepstech Wifi Router NTPL-XPON1GFEVN
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of router credentials leading to network takeover, data exfiltration, and persistent backdoor access.
Likely Case
Unauthorized access to router admin interface, configuration changes, and potential credential harvesting for further attacks.
If Mitigated
Limited information disclosure if proper network segmentation and access controls prevent external access.
🎯 Exploit Status
Public GitHub repository contains exploit details. Simple HTTP request manipulation required.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available. Contact vendor for firmware updates or replace hardware.
🔧 Temporary Workarounds
Network Segmentation
allIsolate router management interface from untrusted networks
Access Control Lists
allRestrict access to router management interface to trusted IPs only
🧯 If You Can't Patch
- Replace affected routers with secure alternatives
- Implement strict network monitoring for suspicious access attempts to router interfaces
🔍 How to Verify
Check if Vulnerable:
Check router model and firmware version via admin interface. If NTPL-XPON1GFEVN v1.0, assume vulnerable.Check Version:
Check router web interface or console for firmware version informationVerify Fix Applied:
Test cookie parameter manipulation attempts. If sensitive data is no longer exposed, fix may be applied.📡 Detection & Monitoring
Log Indicators:
- Unusual cookie parameter requests
- Multiple failed authentication attempts followed by cookie manipulation
Network Indicators:
- HTTP requests with manipulated cookie parameters to router management interface
SIEM Query:
source_ip=* AND dest_ip=router_ip AND http_cookie CONTAINS sensitive_parameter