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Vulnerability Details :

CVE-2026-3091

Summary
Assigner-synology
Assigner Org ID-db201096-a0cc-46c7-9a55-61d9e221bf01
Published At-24 Feb, 2026 | 02:31
Updated At-24 Feb, 2026 | 20:48
Rejected At-
Credits

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:synology
Assigner Org ID:db201096-a0cc-46c7-9a55-61d9e221bf01
Published At:24 Feb, 2026 | 02:31
Updated At:24 Feb, 2026 | 20:48
Rejected At:
▼CVE Numbering Authority (CNA)

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.

Affected Products
Vendor
Synology, Inc.Synology
Product
Synology Presto Client
Default Status
affected
Versions
Affected
  • From * before 2.1.3-0672 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-427Uncontrolled Search Path Element
Type: CWE
CWE ID: CWE-427
Description: Uncontrolled Search Path Element
Metrics
VersionBase scoreBase severityVector
3.16.7MEDIUM
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 6.7
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
finder
Sahil Shah
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.synology.com/en-global/security/advisory/Synology_SA_26_02
vendor-advisory
Hyperlink: https://www.synology.com/en-global/security/advisory/Synology_SA_26_02
Resource:
vendor-advisory
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security@synology.com
Published At:24 Feb, 2026 | 03:16
Updated At:24 Feb, 2026 | 14:13

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.16.7MEDIUM
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Type: Primary
Version: 3.1
Base score: 6.7
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-427Primarysecurity@synology.com
CWE ID: CWE-427
Type: Primary
Source: security@synology.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://www.synology.com/en-global/security/advisory/Synology_SA_26_02security@synology.com
N/A
Hyperlink: https://www.synology.com/en-global/security/advisory/Synology_SA_26_02
Source: security@synology.com
Resource: N/A

Change History

0
Information is not available yet

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