Description
An integer overflow or wraparound 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 compromise the security of the system. 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
7.2
EPSS
0.0029
EPSS Percentile
20.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-121
CWE-190
Status
published
Products (6)
qnap/qts
5.2.0.2737 - 5.2.9.3410
qnap/quts_hero
h5.2.0.2737 - h5.2.9.3410
QNAP Systems Inc./QTS
5.2.0 - 5.2.9.3410 build 20260214
QNAP Systems Inc./QuTS hero
? - h6.0.0.3397 build 20260206
QNAP Systems Inc./QuTS hero
h5.2.0 - h5.2.9.3410 build 20260214
QNAP Systems Inc./QuTS hero
h5.3.0 - h5.3.4.3500 build 20260520
Published
Jun 10, 2026
Tracked Since
Jun 10, 2026