CVE-2025-54618
📋 TL;DR
A permission control vulnerability in Huawei's distributed clipboard module could allow unauthorized access to clipboard data. This affects Huawei devices using the vulnerable distributed clipboard feature, potentially exposing sensitive information copied between devices.
💻 Affected Systems
- Huawei smartphones
- Huawei tablets
- Huawei laptops with distributed clipboard feature
📦 What is this software?
Harmonyos by Huawei
Harmonyos by Huawei
⚠️ Risk & Real-World Impact
Worst Case
Attackers could access sensitive clipboard data (passwords, personal information, confidential data) being shared between Huawei devices in the same ecosystem.
Likely Case
Limited exposure of non-sensitive clipboard data between paired devices in controlled environments.
If Mitigated
No data exposure if distributed clipboard feature is disabled or proper access controls are implemented.
🎯 Exploit Status
Requires access to the local network or proximity to target devices, and knowledge of Huawei's distributed clipboard protocol.
🛠️ 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 advisory for affected device models. 2. Apply latest security updates via Settings > System & updates > Software update. 3. Verify update installation.
🔧 Temporary Workarounds
Disable Distributed Clipboard
allTurn off the distributed clipboard feature to prevent data sharing between devices
Settings > Super Device > Distributed Clipboard > Turn off
Limit Device Pairing
allOnly pair with trusted devices and remove unnecessary pairings
Settings > Super Device > Manage devices > Remove untrusted devices
🧯 If You Can't Patch
- Disable distributed clipboard feature entirely
- Implement network segmentation to isolate Huawei devices from untrusted networks
🔍 How to Verify
Check if Vulnerable:
Check device model and software version against Huawei's security advisory listCheck Version:
Settings > About phone > Software versionVerify Fix Applied:
Verify software version is updated beyond vulnerable versions listed in advisory📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to clipboard service
- Unexpected clipboard data transfers between devices
Network Indicators:
- Unusual Bluetooth/Wi-Fi Direct connections between Huawei devices
- Unexpected clipboard synchronization traffic
SIEM Query:
device_vendor:Huawei AND service:clipboard AND (event_type:access_denied OR event_type:unauthorized_access)