CVE-2025-8074
📋 TL;DR
This vulnerability in Synology BeeDrive desktop software allows local users to write arbitrary files containing non-sensitive information due to an origin validation error. It affects users running BeeDrive desktop versions before 1.4.3-13973. The vulnerability requires local access to the system.
💻 Affected Systems
- Synology BeeDrive for desktop
⚠️ Risk & Real-World Impact
Worst Case
Local attackers could write arbitrary files to the system, potentially leading to denial of service, configuration corruption, or preparation for further attacks by planting malicious files.
Likely Case
Local users could modify application files, disrupt BeeDrive functionality, or corrupt user data stored through the application.
If Mitigated
With proper access controls and least privilege principles, impact is limited to non-sensitive file writes by already authenticated local users.
🎯 Exploit Status
Exploitation requires local access to the system. The 'unspecified vectors' in the description suggests exploitation details are not publicly disclosed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.4.3-13973
Vendor Advisory: https://www.synology.com/en-global/security/advisory/Synology_SA_25_09
Restart Required: Yes
Instructions:
1. Open Synology BeeDrive desktop application. 2. Check for updates in settings. 3. Download and install version 1.4.3-13973 or later. 4. Restart the application or system if prompted.
🔧 Temporary Workarounds
Restrict Local Access
allLimit physical and remote desktop access to systems running BeeDrive to trusted users only.
Disable BeeDrive Service
allTemporarily disable BeeDrive desktop application if not actively needed for file synchronization.
🧯 If You Can't Patch
- Implement strict access controls to limit which users can log into systems running vulnerable BeeDrive versions.
- Monitor file system changes in BeeDrive directories and application logs for suspicious write activities.
🔍 How to Verify
Check if Vulnerable:
Check BeeDrive desktop application version in settings or about dialog. If version is lower than 1.4.3-13973, the system is vulnerable.Check Version:
Check application settings or about dialog (platform dependent)Verify Fix Applied:
Confirm BeeDrive desktop application version is 1.4.3-13973 or higher after update.📡 Detection & Monitoring
Log Indicators:
- Unexpected file write operations in BeeDrive application logs
- File modification events in BeeDrive installation directories
Network Indicators:
- None - this is a local vulnerability
SIEM Query:
File modification events in paths containing 'BeeDrive' or 'Synology' from non-administrative users