CVE-2026-81558
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
A missing authorization vulnerability in the SocketIo API in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows remote authenticated users to write specific files.
| CWE | CWE-862 |
| Vendor | synology |
| Product | diskstation manager (dsm) |
| Published | Nov 12, 2026 |
Stay Ahead of the Next One
Get instant alerts for synology diskstation manager (dsm)
Be the first to know when new medium vulnerabilities affecting synology diskstation manager (dsm) are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
Affected Versions
Synology / DiskStation Manager (DSM)
7.4.1 < 7.4.1-90080-1 7.3.2 < 7.3.2-86009-5
References
Credits
Lubin Leclanche