CVE-2025-66593
MEDIUM
5.6
CVSS Score
Published: May 27, 2026 at 08:43 AM UTC
Updated: October 7, 2026 at 08:10 AM UTC
1 product affected across 1 vendorAssistant
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Severity
MEDIUM5.6
Exploit prediction
EPSS 0.1%
SSVC
No known exploit
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 7.0.6-50085
Affected range stops below 7.0.6-50085, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
Vendor Advisory
Source: cverecord
https://www.synology.com/en-global/security/advisory/Synology_SA_25_17SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- LOW
- Availability
- HIGH
Vector?
Quick Info
StatusANALYZED
CWE
CWE-346
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