CVE-2026-3091

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.

CVSS v3 6.7 MEDIUM

6.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.synology.com/en-global/security/advisory/Synology_SA_26_02	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:synology:presto_client:*:*:*:*:*:*:*:*

History

04 Mar 2026, 02:21

Type	Values Removed	Values Added
Summary		(es) Una vulnerabilidad de elemento de ruta de búsqueda no controlado en Synology Presto Cliente antes de 2.1.3-0672 permite a usuarios locales leer o escribir archivos arbitrarios durante la instalación al colocar una DLL maliciosa de antemano en el mismo directorio que el instalador.
First Time		Synology Synology presto Client
CPE		cpe:2.3:a:synology:presto_client::::::::
References	~~() https://www.synology.com/en-global/security/advisory/Synology_SA_26_02 -~~	() https://www.synology.com/en-global/security/advisory/Synology_SA_26_02 - Vendor Advisory

24 Feb 2026, 03:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-24 03:16

Updated : 2026-03-04 02:21

NVD link : CVE-2026-3091

Mitre link : CVE-2026-3091

CVE.ORG link : CVE-2026-3091

JSON object : View

Products Affected

synology

presto_client

CWE

CWE-427

Uncontrolled Search Path Element

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