CVE-2025-54649
📋 TL;DR
This CVE describes a type confusion vulnerability in Huawei's location service where incompatible data types are used to access resources. Exploitation could cause location information attributes to become incorrect, potentially affecting applications relying on accurate location data. This affects Huawei devices using the vulnerable location service component.
💻 Affected Systems
- Huawei smartphones
- Huawei tablets
- Huawei wearables
📦 What is this software?
Harmonyos by Huawei
Harmonyos by Huawei
⚠️ Risk & Real-World Impact
Worst Case
Critical applications relying on precise location data (navigation, emergency services, asset tracking) could receive incorrect coordinates leading to operational failures or safety risks.
Likely Case
Location-based applications may display inaccurate position data, cause minor navigation errors, or provide incorrect location-based services.
If Mitigated
With proper input validation and type checking, exploitation attempts would fail, maintaining accurate location services.
🎯 Exploit Status
Exploitation requires understanding of location service internals and ability to craft malicious requests to the service.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Huawei security bulletin for specific patched versions
Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2025/8/
Restart Required: No
Instructions:
1. Check Huawei security bulletin for affected device models. 2. Apply latest security updates via Settings > System & updates > Software update. 3. Verify update installation and location service functionality.
🔧 Temporary Workarounds
Disable unnecessary location services
allReduce attack surface by disabling location services for non-critical applications
Restrict location permissions
allReview and limit location access to trusted applications only
🧯 If You Can't Patch
- Implement network segmentation to isolate devices from untrusted networks
- Deploy application allowlisting to prevent unauthorized apps from accessing location services
🔍 How to Verify
Check if Vulnerable:
Check device model and software version against Huawei's security bulletin. Navigate to Settings > About phone > Build numberCheck Version:
adb shell getprop ro.build.version.incremental (for Android-based devices)Verify Fix Applied:
Verify software version matches patched version in Huawei advisory and test location services with trusted applications📡 Detection & Monitoring
Log Indicators:
- Unusual location service access patterns
- Multiple failed location requests from same process
- Location service crashes or restarts
Network Indicators:
- Unexpected location API calls from untrusted sources
- Anomalous GPS/NTP synchronization patterns
SIEM Query:
process_name:"location_service" AND (event_type:"crash" OR error_code:"type_mismatch")