CVE-2024-23726
📋 TL;DR
Ubee DDW365 XCNDDW365 devices use predictable default WPA2 PSKs that can be derived from observable Wi-Fi network information. This allows attackers within Wi-Fi range to gain unauthorized network access. Only users who haven't changed default Wi-Fi credentials are affected.
💻 Affected Systems
- Ubee DDW365 XCNDDW365
📦 What is this software?
Ddw365 Firmware by Ubeeinteractive
⚠️ Risk & Real-World Impact
Worst Case
Complete network compromise allowing data interception, device hijacking, and lateral movement to connected systems.
Likely Case
Unauthorized network access leading to bandwidth theft, device monitoring, and potential credential harvesting.
If Mitigated
Minimal impact if default credentials were changed or Wi-Fi is disabled.
🎯 Exploit Status
Attack requires physical proximity to Wi-Fi signal. Exploit tools can automate PSK derivation from captured beacon frames.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: N/A
Vendor Advisory: N/A
Restart Required: No
Instructions:
1. Log into router admin interface
2. Navigate to Wireless Settings
3. Change Wi-Fi password to strong, unique value
4. Consider changing SSID name
5. Save changes
🔧 Temporary Workarounds
Change Default Wi-Fi Credentials
allReplace predictable default password with strong, random password
Disable Wi-Fi If Unused
allTurn off wireless functionality if only wired connections are needed
🧯 If You Can't Patch
- Implement network segmentation to isolate vulnerable devices
- Enable MAC address filtering to restrict network access
🔍 How to Verify
Check if Vulnerable:
Check if SSID starts with default pattern and password hasn't been changed from factory defaultCheck Version:
Check router admin interface or label on deviceVerify Fix Applied:
Attempt to connect using derived PSK formula - should fail after password change📡 Detection & Monitoring
Log Indicators:
- Multiple failed authentication attempts followed by successful connection
- Unusual MAC addresses connecting to Wi-Fi
Network Indicators:
- Unexpected devices on wireless network
- Suspicious traffic from new wireless clients
SIEM Query:
wireless authentication events from default SSID patterns