What is CVE-2025-15388?

CVE-2025-15388 is a high-severity vulnerability in Qno Technology Vpn Firewall, classified under OS Command Injection. CVSS score: 8.8/10. Published 2025-12-31.

How severe is CVE-2025-15388?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Qno Technology Vpn Firewall

CVE-2025-15388

VPN Firewall developed by QNO Technology has an OS Command Injection vulnerability, allowing authenticated remote attackers to inject arbitrary OS commands and execute them on the server.

Vulnerability class: Command Injection (OS Command Injection)

Published 2025-12-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (60.8th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: -0.000

Affected products

Qno Technology Vpn Firewall — versions 0

Weakness classification (CWE)

CWE-78 — OS Command Injection

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-2025-15388?: CVE-2025-15388 is a high-severity vulnerability in Qno Technology Vpn Firewall, classified under OS Command Injection. CVSS score: 8.8/10. Published 2025-12-31.
How severe is CVE-2025-15388?: High severity. CVSS v3 base score is 8.8 out of 10.