What is the CVSS score of CVE-2025-54158?

CVE-2025-54158 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

How to fix or mitigate CVE-2025-54158?

Within 24 hours: Inventory all Synology BeeDrive desktop installations and identify systems running versions before 1.4.2-13960. Within 7 days: Deploy Synology BeeDrive version 1.4.2-13960 or later to all affected endpoints; prioritize systems handling sensitive data or used by administrative staff. Within 30 days: Verify patch deployment via endpoint management tools and conduct audit of local user access controls on systems that were vulnerable.

Beedrive CVE-2025-54158

Q: Which versions of Beedrive are affected by CVE-2025-54158?

Synology BeeDrive desktop versions prior to 1.4.2-13960 contain a privilege escalation vulnerability that allows local users to execute arbitrary code without authentication, directly compromising…. A patch is available.

EUVD-2025-201167 HIGH

Missing Authentication for Critical Function (CWE-306)

2025-12-04 security@synology.com

Authentication Bypass RCE Synology Beedrive

7.8

CVSS 3.1 · Vendor: synology

View

Vulnerability Assessment

Weakness	CWE CWE-306 OWASP Top 10:2025 A07:2025 - Authentication Failures ASVS 5.0 V6 - Authentication Authentication required for critical functions MITRE ATT&CK 1 technique across 1 tactic: Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	Unauthorized access to protected functionality, data, or administrative interfaces, potentially leading to full system compromise. With a CVSS score of 7.8 (HIGH), this represents a significant risk.
Exploit ScenarioDerived	An attacker manipulates authentication tokens, exploits logic flaws, or uses default credentials to bypass the login mechanism and access restricted areas.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

Patch available 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 15, 2026

Missing authentication for critical function vulnerability in BeeDrive in Synology BeeDrive for desktop before 1.4.2-13960 allows local users to execute arbitrary code via unspecified vectors.

Earlier versions of this analysis (1)

v1 Mar 15, 2026 - 16:35 CVSS 7.8

RemediationAI

Implement robust authentication mechanisms. Use multi-factor authentication. Review authentication logic for bypass conditions. Remove default credentials.

Affected VersionsENISA

BeeDrive for desktop * <1.4.2-13960

Affected Packages

euvd beedrive_for_desktop fix: 1.4.2-13960

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

An authentication bypass vulnerability allows attackers to circumvent login mechanisms and gain unauthorized access without valid credentials. This vulnerability is classified as Missing Authentication for Critical Function (CWE-306).

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (synology) PRIMARY 7.8 HIGH

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

Primary rating from Vendor (synology) · only source for this CVE.

CVSS VectorVendor: synology

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Updated

Apr 16, 2026 - 06:23 EUVD-patch-fix

executive summary

Patch available

Apr 16, 2026 - 05:29 EUVD

1.4.2-13960

CVE Published

Dec 04, 2025 - 16:16 nvd

HIGH 7.8

Executive ViewAI

Why It Matters

Synology BeeDrive desktop versions prior to 1.4.2-13960 contain a privilege escalation vulnerability that allows local users to execute arbitrary code without authentication, directly compromising the integrity and confidentiality of files synchronized through the application. Any employee with local access to affected systems can elevate privileges and potentially exfiltrate sensitive data or deploy malware, making this a critical endpoint security issue requiring immediate patching across the organization.

Business Impact: High

Compensating Controls

Apply vendor patch: Synology BeeDrive version 1.4.2-13960 or later. If immediate patching is not feasible, restrict BeeDrive usage to administrator accounts only, implement application whitelisting to prevent unauthorized code execution, and isolate affected systems from networks containing sensitive data until patched.

Threat Intelligence Overview

EPSS Score

0.0%

Top 98% exploitable

Data Quality

4 sources

Confidence: Medium

EUVD

NVD

CVE.org

EPSS

VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC No

EPSS 0.0%

Patch available Yes

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.