CVE-2026-22899

mediumpriority · track · 26EPSS 0.004 · 32 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.38% (32nd) EPSS

CVSS 6.5 · medium

Is it mine?

10 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

A NULL pointer dereference vulnerability has been reported to affect File Station 6. If a remote attacker gains a user account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5208 and later

cvss

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

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.3–6.5

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v4.01.3lowCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:Usecondary · ENISA EU

v4.01.3lowCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · security@qnapsecurity.com.tw

ssvc

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

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-476US

affected products (10)

Products and version ranges known to be affected.

QNAP NAS QTS <5.2.9.3499all versionscert_bundDE
QNAP NAS QVP <2.8.0all versionscert_bundDE
QNAP NAS QuTS cloud <C5.2.9all versionscert_bundDE
QNAP NAS QuTS hero <h5.2.9all versionscert_bundDE
QNAP NAS≤ QVP <2.8.0cert_bundDE
QNAP NAS≤ QTS <5.2.9.3499cert_bundDE
QNAP NAS≤ QuTS cloud <C5.2.9cert_bundDE
QNAP NAS≤ QuTS hero <h5.2.9cert_bundDE
QNAP Systems Inc. File Station 55.5.0 → 5.5.6.5208enisa_euvdEU
qnap file station5.5.6.4691 → 5.5.6.5208nvdUScpe:2.3:a:qnap:file_station:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-1966QNAP NAS: Mehrere SchwachstellenDeutsch2026-06-16csaf · cert_bundDE
Ein entfernter, authentisierter oder anonymer Angreifer kann mehrere Schwachstellen in QNAP NAS ausnutzen, um sich erhöhte Berechtigungen zu verschaffen, um Sicherheitsmechanismen zu umgehen, um einen Denial of Service Zustand herbeizuführen, um beliebige Befehle auszuführen, um Informationen offenzulegen oder nicht näher spezifizierte Auswirkungen zu erzielen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2026-06-10modified 2026-07-23

references (3)

External citations — patches, advisories, analysis.

scry

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