CVE-2025-64312
📋 TL;DR
This CVE describes a permission control vulnerability in Huawei's file management module that could allow unauthorized access to sensitive files. Successful exploitation may lead to information disclosure affecting service confidentiality. Huawei device users with affected software versions are potentially impacted.
💻 Affected Systems
- Huawei devices with file management modules
📦 What is this software?
Harmonyos by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
⚠️ Risk & Real-World Impact
Worst Case
Attackers gain unauthorized access to sensitive system files containing credentials, configuration data, or user information, leading to complete system compromise.
Likely Case
Limited information disclosure of non-critical files or directory listings without full file access.
If Mitigated
Minimal impact with proper file permission controls and access restrictions in place.
🎯 Exploit Status
Exploitation likely requires some level of access to the device. No public exploit code identified from provided information.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified in provided reference
Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2025/11/
Restart Required: Yes
Instructions:
1. Check Huawei security advisory for affected devices. 2. Apply latest security updates via device settings. 3. Reboot device after update installation.
🔧 Temporary Workarounds
Restrict file permissions
linuxManually review and tighten file system permissions on sensitive directories
chmod 750 /sensitive/directories
chown root:root /sensitive/files
Disable unnecessary file sharing
allTurn off file sharing features if not required for device functionality
🧯 If You Can't Patch
- Implement strict network segmentation to isolate affected devices
- Enable detailed file access logging and monitor for unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check device software version against Huawei's security advisory list of affected versionsCheck Version:
adb shell getprop ro.build.version.incremental (for Android-based devices)Verify Fix Applied:
Verify software version has been updated to patched version specified in Huawei advisory📡 Detection & Monitoring
Log Indicators:
- Unauthorized file access attempts
- Permission denied errors for system files
- Unexpected file read operations
Network Indicators:
- Unusual file transfer patterns from device
- Suspicious SMB/FTP connections
SIEM Query:
source="device_logs" AND (event_type="file_access" AND user!="authorized_user") OR (error_message="permission denied" AND file_path CONTAINS "/system/")