Vulnerability in QNAP Hyper Data Protector
CVE-2025-59388
A use of hard-coded password vulnerability has been reported to affect Hyper Data Protector. The remote attackers can then exploit the vulnerability to gain unauthorized access. We have already fixed the vulnerability in the following version: Hyper Data Protector 2.3.1.455 and later
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (38.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- QNAP Hyper Data Protector
- QNAP Systems Inc. Hyper Data Protector — versions 2.3.x
Weakness classification (CWE)
References
- www.qnap.com/en/security-advisory/qsa-25-48 (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-59388?
- CVE-2025-59388 is a critical-severity vulnerability in QNAP Hyper Data Protector, classified under Use of Hard-coded Password. CVSS score: 9.8/10. Published 2026-03-12.
- How severe is CVE-2025-59388?
- Critical severity. CVSS v3 base score is 9.8 out of 10.