CVE-2023-52101
📋 TL;DR
This CVE describes a component exposure vulnerability in Huawei Wi-Fi modules that could allow attackers to compromise service availability and integrity. The vulnerability affects Huawei devices running HarmonyOS with vulnerable Wi-Fi components. Successful exploitation could lead to denial of service or unauthorized access to device functions.
💻 Affected Systems
- Huawei smartphones
- Huawei tablets
- Huawei IoT devices with Wi-Fi modules
📦 What is this software?
Emui by Huawei
Emui by Huawei
Emui by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise allowing attackers to disable Wi-Fi functionality, intercept network traffic, or execute arbitrary code on affected devices.
Likely Case
Service disruption through Wi-Fi module crashes or degradation, potentially leading to denial of service for network-dependent applications.
If Mitigated
Limited impact with proper network segmentation and access controls, though Wi-Fi functionality may still be affected.
🎯 Exploit Status
Wi-Fi vulnerabilities typically require proximity to the target device but may not require authentication. The high CVSS score suggests significant impact potential.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Refer to Huawei security updates for specific patched versions
Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2024/1/
Restart Required: Yes
Instructions:
1. Check for system updates in device settings. 2. Install the latest security update from Huawei. 3. Restart the device after installation. 4. Verify the update was successful.
🔧 Temporary Workarounds
Disable Wi-Fi when not in use
allTurn off Wi-Fi functionality to prevent exploitation through wireless attack vectors
Use wired connections
allSwitch to Ethernet or cellular data connections to avoid Wi-Fi exposure
🧯 If You Can't Patch
- Segment affected devices on isolated network segments
- Implement strict network access controls and monitor for unusual Wi-Fi activity
🔍 How to Verify
Check if Vulnerable:
Check device settings for installed HarmonyOS version and compare against Huawei's security bulletin for vulnerable versionsCheck Version:
Settings > System & updates > Software update (on HarmonyOS devices)Verify Fix Applied:
Verify the installed HarmonyOS version matches or exceeds the patched version listed in Huawei's security advisory📡 Detection & Monitoring
Log Indicators:
- Unexpected Wi-Fi module restarts
- Wi-Fi connection failures
- Unusual authentication attempts on Wi-Fi interfaces
Network Indicators:
- Abnormal Wi-Fi beacon patterns
- Unexpected deauthentication packets
- Suspicious Wi-Fi management frames
SIEM Query:
source="wifi_logs" AND (event_type="module_error" OR event_type="connection_failure")🔗 References
- https://consumer.huawei.com/en/support/bulletin/2024/1/
- https://device.harmonyos.com/en/docs/security/update/security-bulletins-202401-0000001799925977
- https://consumer.huawei.com/en/support/bulletin/2024/1/
- https://device.harmonyos.com/en/docs/security/update/security-bulletins-202401-0000001799925977
