Synology has released an urgent security patch for its BeeDrive desktop application on Windows, addressing three critical vulnerabilities that could allow both local and remote attackers to compromise user systems.
The security advisory, designated Synology-SA-25:08, was published on July 22, 2025, with all affected vulnerabilities now resolved through version 1.4.2-13960.
Vulnerabilities Identified in BeeDrive Desktop Application
The security update addresses three distinct Common Vulnerabilities and Exposures (CVE) entries that pose significant risks to Windows users.
CVE-2025-54158 and CVE-2025-54160 both enable local users to execute arbitrary code on affected systems, while CVE-2025-54159 presents a particularly concerning remote attack vector, allowing attackers to delete arbitrary files without authentication.
All three vulnerabilities carry an “Important” severity rating, indicating substantial risk to system security and data integrity.
The flaws affect the core functionality of BeeDrive’s desktop synchronization tool, which is widely used by organizations and individuals for file management and backup operations across Synology’s ecosystem.
Technical Analysis of Security Flaws and CVSS Scores
The vulnerabilities demonstrate varying attack vectors and impact levels based on their Common Vulnerability Scoring System (CVSS) 3.1 assessments.
CVE-2025-54158 and CVE-2025-54160 both received identical CVSS base scores of 7.8, with the attack vector classification of AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H, indicating local access requirements but high impact on confidentiality, integrity, and availability.
CVE-2025-54159 scored 7.5
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N, making it particularly dangerous as it requires no user interaction or privileges for exploitation.
The underlying security weaknesses are classified under Common Weakness Enumeration (CWE) categories: CWE-306 (Missing Authentication for Critical Function), CWE-862 (Missing Authorization), and CWE-22 (Path Traversal).
Security researchers Zhao Runzi and Li Jianshen were credited with discovering these vulnerabilities, highlighting the importance of responsible disclosure in cybersecurity research.
Immediate Action Required for Windows Users
Synology strongly recommends that all BeeDrive desktop users immediately upgrade to version 1.4.2-13960 or higher to mitigate these security risks.
The company has confirmed that no workarounds or temporary mitigations are available, making the software update the only viable protection method.
Users can verify their current BeeDrive version through the application’s settings menu and should prioritize this update, given the potential for both local privilege escalation and remote file manipulation attacks.
System administrators managing multiple BeeDrive installations should implement automated update procedures to ensure comprehensive protection across their infrastructure.
The security advisory represents Synology’s commitment to transparent vulnerability disclosure and rapid patch deployment, with the initial public release occurring on the same day as the security update’s availability.
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