CVE-2025-66274 — NULL Pointer Dereference in Systems INC Quts Hero

CWE-476 — NULL Pointer Dereference3 documents3 sources
Severity
1.2LOWNVD
EPSS
0.1%
top 65.94%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Qnap Systems INC Quts HeroQnap Quts Hero
Timeline
PublishedFeb 11

Description

A NULL pointer dereference 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 launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following version: QuTS hero h5.3.2.3354 build 20251225 and later

CVSS vector

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

Affected Packages2 packages

▶CVEListV5qnap_systems_inc/quts_hero? — h5.3.2.3354 build 20251225
▶NVDqnap/quts_hero5 versions+4

🔴Vulnerability Details

2
CVEList
QuTS hero↗2026-02-11
▶
GHSA
GHSA-vf98-8xxx-fp8w: A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions↗2026-02-11
▶
CVE-2025-66274 — NULL Pointer Dereference | cvebase