An origin validation error vulnerability in Synology Assistant before 7.0.6-50085 allows local users to write arbitrary files with restricted content and conduct denial-of-service during installation.

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Fixes

Solution

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Workaround

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History

Tue, 02 Jun 2026 10:15:00 +0000

Type Values Removed Values Added
Title Local User Arbitrary File Write via Origin Validation Error in Synology Assistant

Tue, 02 Jun 2026 08:30:00 +0000

Type Values Removed Values Added
Description An origin validation error vulnerability in Synology Assistant before 7.0.6-50085 allows local users to write arbitrary files with restricted content during installation. An origin validation error vulnerability in Synology Assistant before 7.0.6-50085 allows local users to write arbitrary files with restricted content and conduct denial-of-service during installation.

Mon, 01 Jun 2026 20:15:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:synology:assistant:*:*:*:*:*:*:*:*

Sat, 30 May 2026 21:30:00 +0000

Type Values Removed Values Added
First Time appeared Synology
Synology assistant
Vendors & Products Synology
Synology assistant

Wed, 27 May 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 27 May 2026 10:45:00 +0000

Type Values Removed Values Added
Title Local User Arbitrary File Write via Origin Validation Error in Synology Assistant

Wed, 27 May 2026 09:00:00 +0000

Type Values Removed Values Added
Description An origin validation error vulnerability in Synology Assistant before 7.0.6-50085 allows local users to write arbitrary files with restricted content during installation.
Weaknesses CWE-346
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: synology

Published:

Updated: 2026-06-02T08:21:55.359Z

Reserved: 2025-12-05T03:19:16.761Z

Link: CVE-2025-66593

cve-icon Vulnrichment

Updated: 2026-05-27T12:14:26.762Z

cve-icon NVD

Status : Modified

Published: 2026-05-27T09:16:27.760

Modified: 2026-06-02T09:16:15.313

Link: CVE-2025-66593

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-02T10:00:06Z

Weaknesses