Synology DiskStation Manager: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen
WID-SEC-2025-2659 · first 24.11.2025 · updated 27.05.2026 · CVSS 8,1
What it is about
DiskStation Manager (DSM) ist ein webbasiertes Betriebssystem für Synology NAS-Geräte. Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Synology DiskStation Manager ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
Under what conditions?
Over the network and without logging in. This is the most dangerous combination: attackers can scan reachable devices automatically.
What can happen in the worst case
An attacker could use the vulnerability to
- Sicherheitsvorkehrungen zu umgehen
Am I affected?
Affected according to the BSI:
- Synology DiskStation Manager <7.3.1-86003-1
- Synology DiskStation Manager <7.2.2-72806-5
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Synology DiskStation Manager 7.3.1-86003-1
- Synology DiskStation Manager 7.2.2-72806-5
Is the vulnerability already being exploited?
None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.
Information and sources
- Original BSI advisory (WID)
- Synology Security Advisory Synology-SA-25:14 DSM (PWN2OWN 2025) vom 2025-11-23 www.synology.com
CVE: CVE-2025-13392
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.