CVE-2022-34496
📋 TL;DR
This vulnerability allows unauthenticated attackers to upload arbitrary files to the Hiby R3 PRO device via its web server interface. This affects all Hiby R3 PRO devices running firmware versions 1.5 through 1.7. Successful exploitation could lead to remote code execution or device compromise.
💻 Affected Systems
- Hiby R3 PRO
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete device takeover with persistent backdoor installation, data theft, and potential lateral movement in connected networks.
Likely Case
Remote code execution leading to device compromise, file system manipulation, and unauthorized access to stored media files.
If Mitigated
Limited impact with proper network segmentation and access controls preventing external exploitation.
🎯 Exploit Status
Public proof-of-concept demonstrates file upload without authentication. The vulnerability is straightforward to exploit.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: v1.8 or later
Vendor Advisory: https://github.com/vext01/hiby-issues/issues/52
Restart Required: Yes
Instructions:
1. Download latest firmware from Hiby official website. 2. Connect device via USB. 3. Copy firmware file to device root directory. 4. Disconnect and restart device. 5. Device will automatically update.
🔧 Temporary Workarounds
Disable Web Server
allTurn off the web server functionality to prevent remote exploitation.
Navigate to Settings > Network > Web Server > Turn OFF
Network Segmentation
allIsolate Hiby R3 PRO devices on separate VLAN or network segment.
🧯 If You Can't Patch
- Disconnect device from networks and use only via USB/local connections
- Implement strict firewall rules blocking all inbound connections to the device
🔍 How to Verify
Check if Vulnerable:
Check firmware version in Settings > System > About. If version is between 1.5 and 1.7 inclusive, device is vulnerable.Check Version:
Check via device interface: Settings > System > AboutVerify Fix Applied:
Verify firmware version shows 1.8 or higher after update.📡 Detection & Monitoring
Log Indicators:
- Unusual file upload activity
- Web server access from unexpected IPs
- POST requests to upload endpoints
Network Indicators:
- HTTP POST requests to /upload or similar endpoints
- Unusual outbound connections from device
SIEM Query:
source="hiby_web_logs" AND (method="POST" AND uri="*upload*")