What is CVE-2026-41039?

CVE-2026-41039 is a high-severity vulnerability in Qntmnet Qn-i-470, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2026-04-21.

How severe is CVE-2026-41039?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Qntmnet Qn-i-470

CVE-2026-41039

This vulnerability exists in Quantum Networks router due to improper access control and insecure default configuration in the web-based management interface. An unauthenticated attacker could exploit this vulnerability by accessing exposed…

Vulnerability class: Broken Authentication

EPSS: 0.001 (21.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Qntmnet Qn-i-470
Qntmnet Qn-i-470_firmware — versions 6.1.1.b1
Quantum Networks Router Qn-i-470 — versions at 6.1.1.B1

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

vdisclose@cert-in.org.in (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-41039?: CVE-2026-41039 is a high-severity vulnerability in Qntmnet Qn-i-470, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2026-04-21.
How severe is CVE-2026-41039?: High severity. CVSS v3 base score is 7.5 out of 10.