CVE-2025-52854CWE-476

CVE-2025-52854

Medium · published October 3, 2025

CVSS v3.1
4.9
EPSS
0%
Percentile
31.0
In the wild
Unconfirmed
What it is

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 5.2.6.3195 build 20250715 and later

QuTS hero h5.2.6.3195 build 20250715 and later

The record
Technical detail
CVSS v3.1
4.9 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00382 · 31.0th percentile
Weakness
CWE-476 · NULL Pointer Dereference
Published
2025-10-03T23:15Z
Affected products (28)
ProductVersionsFixed in
qnap/qtsall versions—
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References (1)
EPSS history
Timeline
  • 03 OCT 18:11Z
    QTS, QuTS hero
    cvelistv5