CVE-2024-33626

5.3 MEDIUM

📋 TL;DR

The LevelOne WBR-6012 router has an information disclosure vulnerability where unauthenticated attackers can access a hidden web page that reveals the WiFi WPS PIN. This allows attackers to connect to the WiFi network without authorization. All users of this router model are affected.

💻 Affected Systems

Products:
  • LevelOne WBR-6012
Versions: All firmware versions prior to patched version
Operating Systems: Embedded router firmware
Default Config Vulnerable: ⚠️ Yes
Notes: All default configurations are vulnerable as the hidden page is accessible without authentication.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers gain unauthorized WiFi access, potentially enabling man-in-the-middle attacks, network reconnaissance, and further exploitation of connected devices.

🟠

Likely Case

Local attackers within WiFi range connect to the network without credentials, potentially accessing shared resources or launching attacks against other devices.

🟢

If Mitigated

With proper network segmentation and monitoring, impact is limited to isolated network segments with no critical systems exposed.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: HIGH

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Exploitation requires only HTTP GET request to specific hidden URL. No authentication or special tools needed.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Unknown

Vendor Advisory: Not available

Restart Required: No

Instructions:

1. Check vendor website for firmware updates
2. If update available, download and install via router web interface
3. Reset router to factory settings after update
4. Change all default credentials including WiFi password

🔧 Temporary Workarounds

Disable WPS

all

Turn off WiFi Protected Setup feature to prevent PIN-based attacks

Network Segmentation

all

Isolate router management interface from user network

🧯 If You Can't Patch

  • Replace affected router with supported model
  • Implement strict network access controls and monitoring

🔍 How to Verify

Check if Vulnerable:

Access http://[router-ip]/hidden_page.html (exact path from advisory) without authentication and check if WPS PIN is disclosed

Check Version:

Check router web interface under System Status or Administration section

Verify Fix Applied:

Attempt to access the hidden page after firmware update - should return 404 or require authentication

📡 Detection & Monitoring

Log Indicators:

  • HTTP GET requests to /hidden_page.html or similar unusual paths
  • Failed authentication attempts followed by successful access to hidden pages

Network Indicators:

  • Unusual HTTP requests to router management interface from unauthorized IPs
  • Multiple connection attempts to router on port 80

SIEM Query:

source="router_logs" AND (url="*/hidden_page*" OR status=200 AND url CONTAINS "hidden")

🔗 References

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