CVE-2025-66593
MEDIUMCVSS 5.6/10EPSS 0.09%
Last modified
CVE-2025-66593 is a medium-severity vulnerability rated 5.6/10 on the CVSS scale. 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.. EPSS estimates a 0.09% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Synology | Assistant | < 7.0.6-50085 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-66593?
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.
How severe is CVE-2025-66593?
CVE-2025-66593 has a CVSS score of 5.6/10 (MEDIUM severity). The EPSS model estimates a 0.09% probability of exploitation in the next 30 days.
How do I fix CVE-2025-66593?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2025-66593?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST