SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2026-24716

A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions.

LOW 1.2EPSS 0.33%

Does this matter?

Lower severity and a low EPSS score (0.33%). Track it; it rarely justifies an emergency change on its own.

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 versions: QTS 5.2.9.3492 build 20260507 and later QuTS hero h5.2.9.3499 build 20260514 and later QuTS hero h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3459 build 20260409 and later

CVSS 4.0
1.2 LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
0.33% probability · 26th percentile
CISA KEV
Not listed
Weakness
CWE-476
Affected
qnap/qts · qnap/quts hero
Source
security@qnapsecurity.com.tw

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.