CVE-2026-13639

criticalpriority · track · 39EPSS 0.007 · 53 %ileDE

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.69% (53rd) EPSS

CVSS 9.8 · critical

Is it mine?

8 products

Check your exposure

Who says so?

1 sources

cert_bund

EPSS · scored 2026-10-26

An insufficient entropy vulnerability in login logic in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote attackers to read or write arbitrary files and conduct denial-of-service attacks.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · security@synology.comexploitability 3.9 · impact 5.9

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-331US

affected products (8)

Products and version ranges known to be affected.

Synology DiskStation Manager <7.2.1-69057-12all versionscert_bundDE
Synology DiskStation Manager <7.2.2-72806-9all versionscert_bundDE
Synology DiskStation Manager <7.3.2-86009-4all versionscert_bundDE
Synology DiskStation Manager <7.4-90075all versionscert_bundDE
Synology DiskStation Manager< 7.2.1-69057-12cert_bundDE
Synology DiskStation Manager< 7.2.2-72806-9cert_bundDE
Synology DiskStation Manager< 7.3.2-86009-4cert_bundDE
Synology DiskStation Manager< 7.4-90075cert_bundDE

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-3463Synology DiskStation Manager: Mehrere SchwachstellenDeutsch2026-09-17csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Synology DiskStation Manager ausnutzen, um Dateien zu manipulieren, um einen Denial of Service Angriff durchzuführen, um Informationen offenzulegen, um einen Cross-Site Scripting Angriff durchzuführen und um einen SQL-Injection Angriff durchzuführen.

sources

Which sources assert this record, and when.

cert_bund NVD CVE.org MITRE

published 2026-09-18modified 2026-09-18

references (1) nvd

External citations — patches, advisories, analysis.

https://www.synology.com/en-global/security/advisory/Synology_SA_26_13

scry

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