CVE-2025-54645
📋 TL;DR
This CVE describes an out-of-bounds array access vulnerability in Huawei's location service module due to insufficient data verification. Successful exploitation could cause denial of service by crashing the affected service. Huawei device users with vulnerable software versions are affected.
💻 Affected Systems
- Huawei devices with location service module
📦 What is this software?
Harmonyos by Huawei
Harmonyos by Huawei
⚠️ Risk & Real-World Impact
Worst Case
Complete denial of service for location-dependent services, potentially disrupting device functionality that relies on location data.
Likely Case
Service crashes or instability in location services, requiring service restart or device reboot.
If Mitigated
Minimal impact with proper input validation and boundary checking in place.
🎯 Exploit Status
Requires ability to trigger location service with malformed data; may need local access or app permissions.
🛠️ 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 your device model. 2. Apply available security updates through Settings > System & updates > Software update. 3. Ensure latest security patch level is installed.
🔧 Temporary Workarounds
Disable unnecessary location services
allReduce attack surface by disabling location services for non-essential applications
🧯 If You Can't Patch
- Implement network segmentation to isolate affected devices
- Monitor for abnormal location service crashes or restarts
🔍 How to Verify
Check if Vulnerable:
Check device security patch level in Settings > About phone > Build number and compare with Huawei security bulletinCheck Version:
adb shell getprop ro.build.version.security_patchVerify Fix Applied:
Verify security patch date is after August 2025 and matches patched versions in Huawei advisory📡 Detection & Monitoring
Log Indicators:
- Location service crashes
- System logs showing out-of-bounds memory access errors
- Repeated location service restarts
Network Indicators:
- Unusual location data patterns if exploited via network
SIEM Query:
source="system_logs" AND ("location service" OR "LocationManagerService") AND ("crash" OR "out of bounds" OR "segmentation fault")