Critical Authentication Bypass Threatens Synology BeeDrive Users (CVE-2025-54158)

Overview

A high-severity security vulnerability, identified as CVE-2025-54158, has been discovered in Synology BeeDrive for desktop. This flaw allows a local attacker to execute arbitrary code due to a missing authentication check for a critical function. The vulnerability affects BeeDrive versions prior to 1.4.2-13960. Immediate action is required to mitigate this risk.

Technical Details

CVE-2025-54158 stems from the absence of proper authentication for a specific, yet unspecified, function within the BeeDrive desktop application. This lack of authentication allows a malicious local user to bypass security controls and execute arbitrary code with the privileges of the BeeDrive application. The exact nature of the affected function remains undisclosed, but the impact is significant due to its ability to facilitate arbitrary code execution.

CVSS Analysis

The vulnerability has been assigned a CVSS score of 7.8, indicating a High severity level. While a full CVSS vector string is not provided in the original reporting, a typical vector might resemble this (this is an *example* and may not be perfectly accurate for the undisclosed details of the vuln):

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

This indicates Local access (AV:L), Low attack complexity (AC:L), Low privileges required (PR:L), No user interaction (UI:N), Unchanged Scope (S:U), and High impact to Confidentiality, Integrity, and Availability (C:H/I:H/A:H).

Possible Impact

Successful exploitation of CVE-2025-54158 could allow a local attacker to:

• Execute arbitrary code on the system with the privileges of the BeeDrive application.
• Potentially escalate privileges depending on the BeeDrive application’s permissions.
• Compromise sensitive data stored or managed by BeeDrive.
• Disrupt the normal operation of BeeDrive and related services.

Mitigation and Patch Steps

The primary mitigation for CVE-2025-54158 is to immediately update Synology BeeDrive for desktop to version 1.4.2-13960 or later. Synology has released a patch addressing this vulnerability. You can download the latest version from the Synology Download Center or through the BeeDrive application itself.

1. Download: Download the latest version (1.4.2-13960 or later) of Synology BeeDrive for desktop from the Synology Download Center.
2. Install: Install the downloaded update. Follow the on-screen instructions during the installation process.
3. Verify: After installation, verify that the BeeDrive application version is 1.4.2-13960 or later.

References

• Synology Security Advisory SA-25-08
• NIST NVD CVE-2025-54158 Entry (Once Available)