CVE-2025-58287
📋 TL;DR
A Use After Free vulnerability in Huawei office service allows attackers to access sensitive information after memory has been freed. This affects Huawei devices running vulnerable versions of the office service software. Successful exploitation could compromise service confidentiality.
💻 Affected Systems
- Huawei office service
📦 What is this software?
Harmonyos by Huawei
Harmonyos by Huawei
⚠️ Risk & Real-World Impact
Worst Case
Attacker gains unauthorized access to sensitive office documents and data stored in memory, potentially leading to data breach and information disclosure.
Likely Case
Limited information disclosure from office service memory, potentially exposing fragments of processed documents or temporary data.
If Mitigated
Minimal impact with proper memory protection mechanisms and service isolation in place.
🎯 Exploit Status
Use After Free vulnerabilities typically require specific timing and memory manipulation, making exploitation moderately complex.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Huawei security bulletin for specific patched versions
Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2025/10/
Restart Required: Yes
Instructions:
1. Visit Huawei security advisory. 2. Identify affected device models and versions. 3. Apply security updates through official Huawei update channels. 4. Restart device after update.
🔧 Temporary Workarounds
Disable office service if not needed
allTemporarily disable the vulnerable office service component to prevent exploitation
Specific commands depend on Huawei device model and OS version
Restrict service permissions
allLimit the office service's access permissions and memory allocation
Use Huawei device management tools to restrict service privileges
🧯 If You Can't Patch
- Isolate affected devices from sensitive networks and data
- Implement strict access controls and monitor for unusual office service activity
🔍 How to Verify
Check if Vulnerable:
Check device software version against Huawei security advisory for affected versions
Check Version:
Check device settings > About phone > Software information for version details
Verify Fix Applied:
Verify installed software version matches or exceeds patched version listed in Huawei advisory
📡 Detection & Monitoring
Log Indicators:
- Unexpected office service crashes
- Memory access violations in system logs
- Unusual office service process behavior
Network Indicators:
- Unusual network traffic from office service
- Attempts to access office service from unauthorized sources
SIEM Query:
Search for office service process anomalies, memory access errors, or unexpected service terminations