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Synology DSM EUVDEUVD-2026-82794

| CVE-2026-40533 MEDIUM
Exposure of Sensitive Information Through Data Queries (CWE-202)
2026-09-18 synology GHSA-q9hh-8w48-6v49
5.3
CVSS 3.1 · Vendor: synology
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Severity by source

Vendor (synology) PRIMARY
5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
vuln.today AI
5.3 MEDIUM

Unauthenticated network-reachable Desktop API (AV:N/AC:L/PR:N/UI:N) leaking only non-sensitive data gives C:L with no integrity or availability impact.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (synology).

CVSS VectorVendor: synology

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

2
Patch available
Sep 18, 2026 - 09:16 EUVD
Analysis Generated
Sep 18, 2026 - 09:12 vuln.today

DescriptionCVE.org

An exposure of sensitive information through data queries vulnerability in Desktop API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote attackers to obtain non-sensitive information.

AnalysisAI

Unauthenticated remote attackers can query the Desktop API in Synology DiskStation Manager (DSM) to retrieve non-sensitive information, affecting DSM versions before 7.2.1-69057-10, 7.2.2-72806-7, and 7.3.2-86009-2. The CVSS 3.1 score is 5.3 (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N), and while no public exploit code or active exploitation has been identified at time of analysis, the flaw still offers reconnaissance value because no authentication or user interaction is required. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Exploit
technique details hidden
Execution
technique details hidden
Impact
technique details hidden

Vulnerability AssessmentAI

Exploitation Exploitation targets the Desktop API of Synology DiskStation Manager (DSM) at versions before 7.2.1-69057-10, 7.2.2-72806-7, and 7.3.2-86009-2. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This is a genuinely low-priority issue despite being remotely and unauthenticated exploitable. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Apply the vendor-released patch by upgrading DSM to 7.2.1-69057-10, 7.2.2-72806-7, or 7.3.2-86009-2 depending on the tracked branch. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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EUVD-2026-82794 vulnerability details – vuln.today

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