PT-2026-48365 · Qnap Systems · File Station 5

Coral · Published 2026-06-10 · Updated 2026-06-10 · CVE-2026-22899

NVD

CVSS v4.0

5.3

Medium

Base vector

AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

A NULL pointer dereference vulnerability has been reported to affect File Station 6. If a remote attacker gains a user 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: File Station 5 5.5.6.5208 and later

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2026-22899

Affected Products

File Station 5

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-22899 · Security Note
• https://qnap.com/en/security-advisory/qsa-26-19 · Note