9.8

CVE-2025-59388: qnap systems inc. hyper data protector Use of Hard-coded Password

CVSS: 9.8v3.1CriticalAnalyzed
Published 12-03-2026Last modified 12-03-2026
Open JSON

Vulnerability summary

CVE-2025-59388 is a critical (CVSS 9.8) Use of Hard-coded Password vulnerability in qnap systems inc. hyper data protector. EPSS estimates a 0.49% chance of exploitation in the next 30 days, higher than 41% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
0.49%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 12-03-2026
    PublishedVulnerability first disclosed.
  2. 12-03-2026
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.49%

Chance of exploitation in the next 30 days

Percentile

41%

Versus all other CVEs

30-day change

+0.02 pp

From 0.47% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.49%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Qnap1 product
Qnap systems inc.1 product

2 vendors · 2 products

References

1 links