CVE-2025-15387

HIGH EPSS 22.4%

Published Dec 31, 20256mo ago · Modified Jun 17, 20262w ago

8.7 CVSS 4.0

High

Published Dec 31, 2025 6mo ago

Last Modified Jun 17, 2026 2w ago

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 Details

Base Score

8.7

Exploitability

—

Impact

—

Vector string

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:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction P

Scope X

Threat Intelligence

EPSS Exploit Probability

22.4% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-331

References 2

twcert.org.tw https://www.twcert.org.tw/en/cp-139-10614-dee41-2.html
twcert.org.tw https://www.twcert.org.tw/tw/cp-132-10613-e1780-1.html

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.