CVE-2026-3091

7.3 highEPSS 0.2%

High (7.3) in synology presto client. EPSS 0.2% chance of exploitation in the next 30 days.

An uncontrolled search path element vulnerability in Synology Presto Client before 2.1.3-0672 allows local users to read or write arbitrary files and conduct denial-of-service during installation by placing a malicious DLL in advance in the same directory as the installer.

Severity

CVSS 3.1

7.3 high

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 5% of CVEs (scores of 2026-10-31)
CWE: CWE-427
Published: 2026-02-24
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

synology:presto_client

References

https://www.synology.com/en-global/security/advisory/Synology_SA_26_02

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