CVE-2025-66592: Medium severity Synology Active Backup for Business Agent vulnerability
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Synology Active Backup for Business Agentto a version that resolves this vulnerability.Fixed in 3.1.0-4967
Event History
Frequently Asked Questions
What is the severity of CVE-2025-66592?
CVE-2025-66592 has a medium severity score of 6.1.
What type of vulnerability is CVE-2025-66592?
CVE-2025-66592 is an origin validation error vulnerability that allows local users to write arbitrary files.
How do I fix CVE-2025-66592?
To fix CVE-2025-66592, upgrade Synology Active Backup for Business Agent to version 3.1.0-4967 or later.
Who is affected by CVE-2025-66592?
CVE-2025-66592 affects local users of Synology Active Backup for Business Agent versions prior to 3.1.0-4967.
What can an attacker do with CVE-2025-66592?
An attacker can exploit CVE-2025-66592 to write arbitrary files with restricted content during installation.