An improper neutralization of CRLF sequences ('CRLF injection') vulnerability in User API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote authenticated users to read or write arbitrary files and conduct denial-of-service attacks after the system is rebooted.

Project Subscriptions

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Advisories

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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Sat, 19 Sep 2026 22:30:00 +0000

Type Values Removed Values Added
First Time appeared Synology
Synology diskstation Manager
Vendors & Products Synology
Synology diskstation Manager

Sat, 19 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
Title CRLF Injection in Synology DSM User API Enables Remote File Access and DoS

Sat, 19 Sep 2026 01:15:00 +0000

Type Values Removed Values Added
Title CRLF Injection in Synology DSM User API Enables Remote File Access and DoS

Fri, 18 Sep 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 18 Sep 2026 08:45:00 +0000

Type Values Removed Values Added
Description An improper neutralization of CRLF sequences ('CRLF injection') vulnerability in User API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote authenticated users to read or write arbitrary files and conduct denial-of-service attacks after the system is rebooted.
Weaknesses CWE-93
References
Metrics cvssV3_1

{'score': 8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: synology

Published:

Updated: 2026-09-18T10:49:40.037Z

Reserved: 2026-04-14T01:01:14.606Z

Link: CVE-2026-40530

cve-icon Vulnrichment

Updated: 2026-09-18T10:49:32.555Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-18T09:16:40.237

Modified: 2026-09-18T19:07:38.320

Link: CVE-2026-40530

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-19T22:15:05Z

Weaknesses