SecuriTricks - CVE-2025-66593

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.

Product(s) Impacted

Vendor	Product	Versions
Synology	Synology Assistant	<7.0.6-50085

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-346

Origin Validation Error

The product does not properly verify that the source of data or communication is valid.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	synology	synology_assistant	<7.0.6-50085	/	/	/	/	/	/

References

https://www.synology.com/en-global/security/advisory/Synology_SA_25_17

CVSS Score

6.1 / 10

CVSS Data - 3.1

Attack Vector: LOCAL
Attack Complexity: LOW
Privileges Required: NONE
Scope: UNCHANGED
Confidentiality Impact: NONE
Integrity Impact: LOW
Availability Impact: HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H

View Vector String

Timeline

Published: May 27, 2026, 9:16 a.m.
Last Modified: May 27, 2026, 2:54 p.m.

Status : Undergoing Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

CVE-2025-66593