# CVE-2025-15387

## Summary

- **CVE ID:** CVE-2025-15387
- **Severity:** HIGH
- **CVSS Score:** 8.8 (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)
- **CWE:** CWE-331
- **Published:** Dec 31, 2025
- **Last Modified:** Mar 12, 2026

## 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.

## Affected Products

- QNO Technology — VPN Firewall (0)

## References

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

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.36%
- **EPSS Percentile:** 29.0

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._