Medium (4.4) in qnap qvpn. EPSS 0.2% chance of exploitation in the next 30 days.
An insufficiently protected credentials vulnerability has been reported to affect QVPN Device Client. If exploited, the vulnerability could allow local authenticated administrators to gain access to user accounts and access sensitive data used by the user account via unspecified vectors.
We have already fixed the vulnerability in the following version:
QVPN Windows 2.1.0.0518 and later
Severity
CVSS 3.1
4.4 medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
EPSS
0.2% chance of exploitation in the next 30 days; higher than 5% of CVEs (scores of 2026-10-31)