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Vulnerability record · CVE-2026-40530 · published 18 September 2026

CVE-2026-40530: An improper neutralization of CRLF sequences ('CRLF injection') vulnerability in User API in Synology DiskStat…

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.

8.0 CVSS 3.1 High EPSS 0.49% · top 60.1% CWE-93 · CWE-93 Awaiting Analysis
8.0CVSS 3.1 base score
0.49%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
18 Sep 2026Last modified by NVD

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.

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

References

LinkTags
https://www.synology.com/en-global/security/advisory/Synology_SA_26_06

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Source: NIST National Vulnerability Database (record CVE-2026-40530), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.