CVE-2026-3091

MEDIUM

Synology Presto Client <2.1.3-0672 - DLL Hijacking

Title source: llm

Description

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

References (1)

[Vendor Advisory] https://www.synology.com/en-global/security/advisory/Synology_SA_26_02

Scores

CVSS v3 6.7

EPSS 0.0001

EPSS Percentile 1.8%

Attack Vector LOCAL

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

Classification

CWE

CWE-427

Status published

Affected Products (1)

synology/presto_client < 2.1.3-0672

Timeline

Published Feb 24, 2026

Tracked Since Feb 24, 2026