CVE-2025-64315 – A configuration defect in the file management m... (How to Fix)

Q: What is the severity of CVE-2025-64315?

CVE-2025-64315 has a CVSS score of 4.4 (MEDIUM). A configuration defect in the file management module could allow unauthorized access to application data. This vulnerability affects Huawei laptop users who haven't applied security updates. Attackers could potentially read or modify sensitive files.

📋 TL;DR

A configuration defect in the file management module could allow unauthorized access to application data. This vulnerability affects Huawei laptop users who haven't applied security updates. Attackers could potentially read or modify sensitive files.

💻 Affected Systems

Products:

Huawei laptops with affected file management software

Versions: Specific versions not detailed in reference; affected versions prior to November 2025 patches

Operating Systems: Windows (implied from laptop context)

Default Config Vulnerable: ⚠️ Yes

Notes: Vulnerability exists in default configurations of affected Huawei laptop software.

📦 What is this software?

Harmonyos by Huawei

View all CVEs affecting Harmonyos →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete compromise of application data including sensitive user files, credentials, and configuration data being stolen or modified.

🟠

Likely Case

Limited data exposure from poorly secured applications or temporary files being accessed by local users.

🟢

If Mitigated

Minimal impact with proper file permissions and application sandboxing in place.

🌐 Internet-Facing: LOW - This appears to be a local configuration issue requiring access to the affected system.

🏢 Internal Only: MEDIUM - Local users or malware could exploit this to access unauthorized files on the system.

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ✅ No

Complexity: LOW

Exploitation likely requires local access to the system. No public exploit details available.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Versions patched in November 2025 security updates

Vendor Advisory: https://consumer.huawei.com/cn/support/bulletinlaptops/2025/11/

Restart Required: Yes

Instructions:

1. Open Huawei PC Manager. 2. Check for updates in settings. 3. Install all available security updates. 4. Restart the laptop when prompted.

🔧 Temporary Workarounds

Restrict file permissions

windows

Manually set stricter file permissions on sensitive application directories

icacls "C:\Program Files\Huawei\*" /inheritance:r /grant:r "Users:(RX)" /T

Disable vulnerable module

windows

Temporarily disable the file management module if not essential

sc stop "HuaweiFileService"
sc config "HuaweiFileService" start= disabled

🧯 If You Can't Patch

Implement strict file system permissions and access controls
Use application whitelisting to prevent unauthorized file access

🔍 How to Verify

Check if Vulnerable:

Check Huawei PC Manager version and compare against November 2025 security bulletin

Check Version:

Check Huawei PC Manager → Settings → About for version information

Verify Fix Applied:

Verify Huawei PC Manager shows no available updates after applying November 2025 patches

📡 Detection & Monitoring

Log Indicators:

Unusual file access patterns from Huawei processes
Failed permission attempts on protected files

Network Indicators:

Not applicable - local vulnerability

SIEM Query:

ProcessName="*Huawei*" AND (EventID=4663 OR EventID=4656) AND ObjectName="*.config"

📊 Metadata

CVE ID: CVE-2025-64315

CVSS v3 Score: 4.4 (MEDIUM)

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

CWE: CWE-264

EPSS Score: 0.01% exploit probability (0.6th percentile)

Published: November 28, 2025

Last Updated: December 2, 2025

🔗 References

https://consumer.huawei.com/cn/support/bulletinlaptops/2025/11/ Vendor Advisory

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