CVE-2025-66592

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-66592
An origin validation error vulnerability in Synology Active Backup for Business Agent before 3.1.0-4967 allows local users to write arbitrary files with restricted content and conduct denial-of-service during installation.

6.1 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 4.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://www.synology.com/en-global/security/advisory/Synology_SA_25_16 Vendor Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:synology:active_backup_for_business_agent:*:*:*:*:*:*:*:*
History

02 Jun 2026, 09:16

Type Values Removed Values Added
Summary (en) An origin validation error vulnerability in Synology Active Backup for Business Agent before 3.1.0-4967 allows local users to write arbitrary files with restricted content during installation. (en) An origin validation error vulnerability in Synology Active Backup for Business Agent before 3.1.0-4967 allows local users to write arbitrary files with restricted content and conduct denial-of-service during installation.

01 Jun 2026, 20:03

Type Values Removed Values Added
References () https://www.synology.com/en-global/security/advisory/Synology_SA_25_16 - () https://www.synology.com/en-global/security/advisory/Synology_SA_25_16 - Vendor Advisory
First Time Synology
Synology active Backup For Business Agent
CPE cpe:2.3:a:synology:active_backup_for_business_agent:*:*:*:*:*:*:*:*

27 May 2026, 09:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-05-27 09:16

Updated : 2026-06-02 16:08

NVD link : CVE-2025-66592

Mitre link : CVE-2025-66592

CVE.ORG link : CVE-2025-66592

JSON object : View

Products Affected

synology

  • active_backup_for_business_agent
CWE
CWE-346

Origin Validation Error