QNO Technology｜VPN Firewall - Insufficient Entropy
Priority MEDIUM 40CWE-331Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00367 30th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| QNO Technology | VPN Firewall | all versions | — | No fix listed | CNA |
- VPN Firewall VendorQNO Technology Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-15387
- 2026-10-03 Alias added: GHSA-vvhf-47gr-69vm
References
More QNO Technology vulnerabilities
- TI-2025-14036 QNO Technology｜VPN Firewall - OS Command Injection CVSS 4.0HIGH 8.7
- TI-2025-14035 QNO Technology｜VPN Firewall - OS Command Injection CVSS 4.0HIGH 8.7
Sources
- CVE-2025-15387 · CVE Program
- CVE-2025-15387 · NVD
- FIRST EPSS
- GHSA-vvhf-47gr-69vm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences