CVE-2025-66593

medium

Published 2026-05-27 · Modified 2026-05-27

CVSS v3

6.1

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

CVSS v2

—

VIR risk

6.1

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.

Predictions

Exploit likelihood

61%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

References

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

CWEs

CWE-346

Verify integrity in audit chain (admin only). AS-IS.