Vulnerability record/PUBLISHED/Published Nov 12, 2026 03:32:41 UTC
CVE-2026-74857
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.
Base score8.8/ 10
SeverityHighCVSS 3.1
Exploitability / impact
CVSS metric breakdown
Base severityHigh
Attack vectorNetworkAV
Attack complexityLowAC
Privileges requiredLowPR
User interactionNoneUI
ScopeUnchangedS
Confidentiality impactHighC
Integrity impactHighI
Availability impactHighA
CVSS vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVSS communicates standardized severity and impact characteristics. It does not establish whether a system is exploitable in your specific environment.
Record context
CVE Numbering Authoritysynology
Last updatedNov 12, 2026 03:32:41 UTC
PublishedNov 12, 2026 03:32:41 UTC
ReservedAug 17, 2026 09:41:39 UTC
Credits
- p4p3r(@P4P3R-HAK)