CVE-2026-74857
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
A missing critical step in authentication vulnerability in the Auth API in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows remote authenticated users to read or write arbitrary files and conduct denial-of-service attacks.
| CWE | CWE-304 |
| Vendor | synology |
| Product | diskstation manager (dsm) |
| Published | Nov 12, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Synology / DiskStation Manager (DSM)
7.4.1 < 7.4.1-90080-1 7.3.2 < 7.3.2-86009-5
References
Credits
p4p3r(@P4P3R-HAK)