CVE-2025-64313
📋 TL;DR
This CVE describes a denial-of-service vulnerability in Huawei's office service. Successful exploitation could cause the service to become unresponsive or crash, affecting availability. Organizations using affected Huawei products with the office service enabled are at risk.
💻 Affected Systems
- Huawei office service products (specific models not detailed in reference)
📦 What is this software?
Harmonyos by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
⚠️ Risk & Real-World Impact
Worst Case
Complete service outage of the office functionality, disrupting business operations that depend on this service.
Likely Case
Temporary service degradation or intermittent unavailability of office features.
If Mitigated
Minimal impact with proper network segmentation and rate limiting in place.
🎯 Exploit Status
CWE-362 indicates a race condition vulnerability, which typically requires precise timing and may be harder to exploit reliably.
🛠️ 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's advisory for affected products. 2. Download and apply the security update from Huawei. 3. Restart the affected service or system.
🔧 Temporary Workarounds
Network segmentation
allIsolate the office service from untrusted networks to limit attack surface
Rate limiting
allImplement rate limiting on office service endpoints to prevent DoS conditions
🧯 If You Can't Patch
- Implement strict network access controls to limit who can reach the office service
- Monitor service performance metrics and set up alerts for abnormal behavior patterns
🔍 How to Verify
Check if Vulnerable:
Check Huawei advisory for your specific product model and versionCheck Version:
Check product documentation for version query commands specific to your Huawei deviceVerify Fix Applied:
Verify that the office service version matches the patched version from Huawei's advisory📡 Detection & Monitoring
Log Indicators:
- Unusual service restart patterns
- High error rates in office service logs
- Performance degradation alerts
Network Indicators:
- Abnormal traffic patterns to office service ports
- Multiple rapid connection attempts
SIEM Query:
source="office_service" AND (event_type="crash" OR event_type="restart")