QTS, QuTS hero

published 2025-03-07 20 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-54200

cvss: 7.2; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits: 0; none known

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

Patch / fix

fixed in 2

QNAP Systems Inc. QTS 5.1.9.2954 build 20241120, 5.2.x
QNAP Systems Inc. QuTS hero h5.1.9.2954 build 20241120, h5.2.x

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 20 mo ago (2025-03-07)

Exploit prediction

0.50% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	2.1	CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CNA	4.0	2.1	CVSS: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:X
NVD	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

QNAP Systems Inc. QTS
QNAP Systems Inc. QuTS hero

Classification

Weakness

CWE-787 Out-of-bounds Write

References

qnap.com /en/security-advisory/qsa-24-52
vendor-advisory

Sources

CVE List CVE-2024-38638
NVD CVE-2024-38638

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary