What is CVE-2025-58466?

CVE-2025-58466 is a medium-severity vulnerability in Qnap Qts, classified under CWE-457. CVSS score: 4.9/10. Published 2026-02-11.

How severe is CVE-2025-58466?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Vulnerability in Qnap Qts

CVE-2025-58466

A use of uninitialized variable 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 denial of service conditions…

EPSS: 0.005 (39.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

Affected products

Qnap Qts — versions 5.2.0.2737, 5.2.0.2744, 5.2.0.2782
Qnap Quts_hero — versions h5.2.0.2737, h5.2.0.2782, h5.2.0.2789
Qnap Systems Inc. Qts — versions 5.2.x
Qnap Systems Inc. Quts Hero — versions h5.2.x

Weakness classification (CWE)

CWE-457

References

security@qnapsecurity.com.tw (Vendor Advisory)

Frequently asked questions

What is CVE-2025-58466?: CVE-2025-58466 is a medium-severity vulnerability in Qnap Qts, classified under CWE-457. CVSS score: 4.9/10. Published 2026-02-11.
How severe is CVE-2025-58466?: Medium severity. CVSS v3 base score is 4.9 out of 10.