Vulnerability · Published May 27, 2026 · Assigned by synology

CVE-2025-13593

Medium 6.1

In plain English

A medium-severity security flaw in ActiveProtect Agent from Synology. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 0% of all known vulnerabilities).

Severity (CVSS 3.1)6.1Medium

Exploit odds (30 days)<0.1%top 99.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Origin validation error vulnerability in Synology ActiveProtect Agent before 1.1.0-0439 allows local users to write arbitrary files with restricted content and conduct denial-of-service during installation.

Affected products (as reported)

Vendor	Product	Versions
Synology	ActiveProtect Agent	* – before 1.1.0-0439

Weakness: CWE-346 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H

References

Synology-SA-25:15 ActiveProtect Agent vendor-advisory