Vulnerability in Qno Technology Vpn Firewall
CVE-2025-15387
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (28.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Qno Technology Vpn Firewall — versions 0
Weakness classification (CWE)
References
- www.twcert.org.tw/tw/cp-132-10613-e1780-1.html (third-party-advisory)
- www.twcert.org.tw/en/cp-139-10614-dee41-2.html (third-party-advisory)
Frequently asked questions
- What is CVE-2025-15387?
- CVE-2025-15387 is a high-severity vulnerability in Qno Technology Vpn Firewall, classified under Insufficient Entropy. CVSS score: 8.8/10. Published 2025-12-31.
- How severe is CVE-2025-15387?
- High severity. CVSS v3 base score is 8.8 out of 10.