CVE-2024-38638

highpriority · track · 29EPSS 0.005 · 43 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.50% (43rd) EPSS

CVSS 7.2 · high

Is it mine?

37 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

An out-of-bounds write vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers who have gained administrator access to modify or corrupt memory. QTS 5.2.x/QuTS hero h5.2.x are not affected. We have already fixed the vulnerability in the following versions: QTS 5.1.9.2954 build 20241120 and later QuTS hero h5.1.9.2954 build 20241120 and later

cvss

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

7.2

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–high · 0.5–7.2

v3.17.2highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.2 · impact 5.9

v4.02.1lowCVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.02.1lowCVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/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

v4.00.5lowCVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:L/VI:L/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 · CVSS-BT (t0sche)

ssvc

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

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787US

affected products (37)

Products and version ranges known to be affected.

QNAP NAS QTS <4.5.4.2957 build 20241119all versionscert_bundDE
QNAP NAS QTS <5.1.9.2954 build 20241120all versionscert_bundDE
QNAP NAS QuTS hero <h5.1.9.2954 build 20241120all versionscert_bundDE
QNAP NAS≤ QTS <5.1.9.2954 build 20241120cert_bundDE
QNAP NAS≤ QTS <4.5.4.2957 build 20241119cert_bundDE
QNAP NAS≤ QuTS hero <h5.1.9.2954 build 20241120cert_bundDE
QNAP Systems Inc. QTS5.1.x → 5.1.9.2954 build 20241120enisa_euvdEU
QNAP Systems Inc. QuTS heroh5.1.x → h5.1.9.2954 build 20241120enisa_euvdEU
qnap qts= 5.1.0.2348nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 5.1.0.2399nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 5.1.0.2418nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 5.1.0.2444nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 5.1.0.2466nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 5.1.1.2491nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 5.1.2.2533nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 5.1.3.2578nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 5.1.4.2596nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 5.1.5.2645nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 5.1.5.2679nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 5.1.6.2722nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*

showing 20 of 37

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-0506QNAP NAS (QuLog Center, QTS, QuTS hero): Mehrere SchwachstellenDeutsch2025-03-09csaf · cert_bundDE
Ein entfernter anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in QNAP NAS ausnutzen, um Informationen preiszugeben, Daten zu verändern, beliebigen Code auszuführen und möglicherweise einen Denial-of-Service-Zustand zu verursachen.

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 2025-03-07modified 2026-06-17

references (5)

External citations — patches, advisories, analysis.

scry

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