Medium severity · published Aug 29, 2025
CVE-2025-33032
QTS, QuTS hero
4.9
CVSS
0.5%
EPSS
No
On KEV
Description
A path traversal 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 read the contents of unexpected files or system data. We have already fixed the vulnerability in the following version: QTS 5.2.5.3145 build 20250526 and later QuTS hero h5.2.5.3138 build 20250519 and later
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 43% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QT
QTS · QNAP Systems Inc.
5.2.x before 5.2.5.3145 build 20250526 · source: vendor, NVD
QH
QuTS hero · QNAP Systems Inc.
h5.2.x before QuTS hero h5.2.5.3138 build 20250519 · source: vendor, NVD
Affected product
QT
QTS
QNAP Systems Inc.
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QuTS hero is not affected