What’s Vulnerable › Vulnerabilities

CVE-2025-15387: QNO Technology｜VPN Firewall - Insufficient Entropy

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-31 · updated 2026-06-17
• Weakness: CWE-331

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

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

Get alerted when CVE-2025-15387 or the next vulnerability affects your stack