CVE-2025-53406 — Use of Externally-Controlled Format String in Systems INC QTS

CWE-134 — Use of Externally-Controlled Format String3 documents3 sources
Severity
5.1MEDIUMNVD
EPSS
0.1%
top 83.79%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Qnap Systems INC QTSQnap Systems INC Quts HeroQnap QTS+1 more
Timeline
PublishedOct 3

Description

A use of externally-controlled format string 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 obtain secret data or modify memory. We have already fixed the vulnerability in the following versions: QTS 5.2.6.3195 build 20250715 and later QuTS hero h5.2.6.3195 build 20250715 and later

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Affected Packages4 packages

▶CVEListV5qnap_systems_inc/quts_heroh5.2.x — h5.2.6.3195 build 20250715
▶NVDqnap/quts_hero14 versions+13
▶CVEListV5qnap_systems_inc/qts5.2.x — 5.2.6.3195 build 20250715
▶NVDqnap/qts14 versions+13

🔴Vulnerability Details

2
GHSA
GHSA-q3m7-vw89-p72j: A use of externally-controlled format string vulnerability has been reported to affect several QNAP operating system versions↗2025-10-03
▶
CVEList
QTS, QuTS hero↗2025-10-03
▶
CVE-2025-53406 — Qnap Systems INC QTS vulnerability | cvebase