SB2025072867 - Multiple vulnerabilities in Synology BeeDrive for desktop

Description

This security bulletin contains information about 3 vulnerabilities.

1) Missing Authentication for Critical Function (CVE-ID: CVE-2025-54158)

CWE-ID: CWE-306 - Missing Authentication for Critical Function

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to missing authentication for critical function. A local user can execute arbitrary code on the system.

2) Missing Authorization (CVE-ID: CVE-2025-54159)

CWE-ID: CWE-862 - Missing Authorization

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to a missing capability check. A remote attacker can delete arbitrary files.

3) Path traversal (CVE-ID: CVE-2025-54160)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A local user can write arbitrary files on the system, leading to arbitrary code execution.

Remediation

Install update from vendor's website.

References

• https://www.synology.com/en-global/security/advisory/Synology_SA_25_08