CVE-2023-30354
📋 TL;DR
This vulnerability in Tenda CP3 IP cameras allows attackers with physical access to extract Wi-Fi credentials and gain console access via UART interface. It affects organizations using these cameras in physically accessible locations. The hardcoded boot password enables complete device compromise.
💻 Affected Systems
- Shenzen Tenda Technology IP Camera CP3
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete device takeover allowing network pivoting, credential theft, and persistent backdoor installation.
Likely Case
Wi-Fi network compromise leading to unauthorized access to connected devices and surveillance footage.
If Mitigated
Limited to physical access scenarios with proper physical security controls.
🎯 Exploit Status
Exploitation requires physical access and basic hardware skills. Detailed technical documentation available in references.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None known
Restart Required: No
Instructions:
No official patch available. Contact Tenda support for firmware updates.
🔧 Temporary Workarounds
Physical Security Hardening
allSecure camera enclosures to prevent physical access to UART pins
Network Segmentation
allIsolate cameras on separate VLAN with restricted network access
🧯 If You Can't Patch
- Deploy cameras in physically secure locations with tamper-evident enclosures
- Implement network monitoring for unusual traffic from camera devices
- Consider replacing with alternative camera models from different vendors
🔍 How to Verify
Check if Vulnerable:
Check firmware version via web interface or physically inspect UART pins for unprotected accessCheck Version:
Check camera web interface or use nmap scan for device identificationVerify Fix Applied:
No verification possible without vendor patch. Monitor for firmware updates.📡 Detection & Monitoring
Log Indicators:
- Unexpected device reboots
- Configuration changes without authorization
Network Indicators:
- Unusual outbound connections from camera
- Wi-Fi credential changes
SIEM Query:
Device:vendor="Tenda" AND model="CP3" AND event_type="configuration_change" OR "reboot"