CVE-2025-54159
📋 TL;DR
This CVE describes a missing authorization vulnerability in Synology BeeDrive desktop software that allows remote attackers to delete arbitrary files without proper authentication. Attackers can exploit unspecified vectors to delete files on systems running vulnerable versions. All users of Synology BeeDrive desktop software before version 1.4.2-13960 are affected.
💻 Affected Systems
- Synology BeeDrive for desktop
⚠️ Risk & Real-World Impact
Worst Case
Remote attackers could delete critical system files, configuration files, or user data, potentially causing system instability, data loss, or service disruption.
Likely Case
Attackers deleting user files, documents, or application data, leading to data loss and potential operational impact.
If Mitigated
With proper network segmentation and access controls, impact would be limited to authorized network segments only.
🎯 Exploit Status
The advisory mentions 'unspecified vectors' but confirms remote attackers can exploit without authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.4.2-13960
Vendor Advisory: https://www.synology.com/en-global/security/advisory/Synology_SA_25_08
Restart Required: Yes
Instructions:
1. Open Synology BeeDrive desktop application. 2. Check for updates in settings. 3. Download and install version 1.4.2-13960 or later. 4. Restart the application.
🔧 Temporary Workarounds
Network Segmentation
allRestrict network access to BeeDrive desktop application using firewall rules
Disable Remote Access
allTurn off remote access features in BeeDrive settings if not required
🧯 If You Can't Patch
- Disable or uninstall BeeDrive desktop software until patching is possible
- Implement strict network access controls to limit exposure to trusted networks only
🔍 How to Verify
Check if Vulnerable:
Check BeeDrive desktop application version in settings or about dialogCheck Version:
Check application version in BeeDrive settings or about dialogVerify Fix Applied:
Confirm version is 1.4.2-13960 or higher in application settings📡 Detection & Monitoring
Log Indicators:
- Unexpected file deletion events
- Remote connection attempts to BeeDrive service
- Authentication failures or bypass attempts
Network Indicators:
- Unusual network traffic to BeeDrive service ports
- Remote connections from unexpected sources
SIEM Query:
source="beedrive" AND (event_type="file_delete" OR auth_result="failure")