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Vulnerability record · CVE-2025-15387 · published 31 December 2025

CVE-2025-15387: VPN Firewall developed by QNO Technology has a Insufficient Entropy vulnerability, allowing unauthenticated re…

VPN Firewall developed by QNO Technology has a Insufficient Entropy vulnerability, allowing unauthenticated remote attackers to obtain any logged-in user session through brute-force attacks and subsequently log into the system.

8.7 CVSS 4.0 High EPSS 0.37% · top 72.0% CWE-331 · CWE-331 Deferred
8.7CVSS 4.0 base score
0.37%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

VPN Firewall developed by QNO Technology has a Insufficient Entropy vulnerability, allowing unauthenticated remote attackers to obtain any logged-in user session through brute-force attacks and subsequently log into the system.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

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Source: NIST National Vulnerability Database (record CVE-2025-15387), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.