CVE-2023-6514
📋 TL;DR
This vulnerability allows attackers to bypass Bluetooth authentication on certain Huawei Smart Screen products, potentially accessing restricted functions. Affected users are those with vulnerable Huawei Smart Screen devices that have Bluetooth enabled.
💻 Affected Systems
- Huawei Smart Screen products with vulnerable Bluetooth modules
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could gain unauthorized access to device functions, potentially compromising user privacy, controlling device operations, or accessing sensitive data.
Likely Case
Local attackers within Bluetooth range could access restricted device features or perform unauthorized actions on the smart screen.
If Mitigated
With Bluetooth disabled or devices isolated from untrusted networks, the attack surface is significantly reduced.
🎯 Exploit Status
Exploitation requires proximity to the device (Bluetooth range) and knowledge of the vulnerability; no authentication needed
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Huawei security advisory for specific patched versions
Vendor Advisory: https://www.huawei.com/en/psirt/security-advisories/2023/huawei-sa-ibvishssp-4bf951d4-en
Restart Required: Yes
Instructions:
1. Check Huawei security advisory for affected models. 2. Update device firmware to latest version via Settings > System > Software Update. 3. Restart device after update.
🔧 Temporary Workarounds
Disable Bluetooth
allTurn off Bluetooth functionality to prevent exploitation
Navigate to Settings > Bluetooth and toggle off
Restrict Bluetooth Visibility
allSet device to non-discoverable mode to reduce attack surface
Navigate to Settings > Bluetooth > Visibility and set to 'Hidden' or 'Non-discoverable'
🧯 If You Can't Patch
- Disable Bluetooth when not in use
- Physically isolate devices from untrusted areas or implement network segmentation
🔍 How to Verify
Check if Vulnerable:
Check device model and firmware version against Huawei security advisoryCheck Version:
Navigate to Settings > System > About > Version InformationVerify Fix Applied:
Verify firmware version is updated to patched version listed in Huawei advisory📡 Detection & Monitoring
Log Indicators:
- Unusual Bluetooth pairing attempts
- Unauthorized Bluetooth connections
- Failed authentication attempts followed by successful access
Network Indicators:
- Unexpected Bluetooth traffic from unknown devices
- Bluetooth connections outside normal usage patterns
SIEM Query:
Not applicable - primarily local Bluetooth attack with limited network visibility