CVE-2025-15387

QNO Technology|VPN Firewall - Insufficient Entropy

Published Dec 31, 2025 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Contact the vendor to obtain a solution.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Qno Technology
Qno Technology vpn Firewall
Vendors & Products Qno Technology
Qno Technology vpn Firewall
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title QNO Technology|VPN Firewall - Insufficient Entropy
Weaknesses CWE-331
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
twcert
Published
Updated
Dec 31, 2025, 4:05 PM
Reserved
Dec 31, 2025, 8:10 AM
Status
Deferred
Published
Dec 31, 2025, 9:15 AM
Modified
Jun 17, 2026, 8:37 AM