An improper neutralization of CRLF sequences vulnerability in the SNMP API in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows remote authenticated users with administrator privileges to read or write arbitrary files and conduct denial-of-service attacks.

Metrics

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.synology.com/en-global/security/advisory/Synology_SA_26_18 cve-icon
History

Thu, 12 Nov 2026 03:45:00 +0000

Type Values Removed Values Added
Description An improper neutralization of CRLF sequences vulnerability in the SNMP API in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows remote authenticated users with administrator privileges to read or write arbitrary files and conduct denial-of-service attacks.
Weaknesses CWE-93
References
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: synology

Published:

Updated: 2026-11-12T03:34:37.799Z

Reserved: 2026-09-07T09:06:22.254Z

Link: CVE-2026-86343

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses