Description
An insufficient entropy vulnerability in login logic in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote attackers to read or write arbitrary files and conduct denial-of-service attacks.
Published: 2026-09-18
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Sat, 19 Sep 2026 02:45:00 +0000

Type Values Removed Values Added
Title Insufficient Entropy in DSM Login Enables Remote File Access and Denial of Service

Fri, 18 Sep 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Fri, 18 Sep 2026 08:45:00 +0000

Type Values Removed Values Added
Description An insufficient entropy vulnerability in login logic in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote attackers to read or write arbitrary files and conduct denial-of-service attacks.
Weaknesses CWE-331
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: synology

Published:

Updated: 2026-09-18T19:13:24.287Z

Reserved: 2026-06-29T09:59:06.873Z

Link: CVE-2026-13639

cve-icon Vulnrichment

Updated: 2026-09-18T19:13:18.633Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-18T09:16:38.757

Modified: 2026-09-18T20:17:06.860

Link: CVE-2026-13639

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-19T02:30:17Z

Weaknesses