Description
A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following versions: QTS 5.2.9.3410 build 20260214 and later QuTS hero h5.2.9.3410 build 20260214 and later QuTS hero h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3397 build 20260206 and later
References (1)
Core 1
Core References
Scores
CVSS v3
6.5
EPSS
0.0030
EPSS Percentile
21.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-121
Status
published
Products (50)
qnap/qts
5.2.0.2737 build_20240417
qnap/qts
5.2.0.2744 build_20240424
qnap/qts
5.2.0.2782 build_20240601
qnap/qts
5.2.0.2802 build_20240620
qnap/qts
5.2.0.2823 build_20240711
qnap/qts
5.2.0.2851 build_20240808
qnap/qts
5.2.0.2860 build_20240817
qnap/qts
5.2.1.2930 build_20241025
qnap/qts
5.2.2.2950 build_20241114
qnap/qts
5.2.3.3006 build_20250108
... and 40 more
Published
Jun 09, 2026
Tracked Since
Jun 09, 2026