CVE-2026-41039

Information Disclosure Vulnerability in Quantum Networks Router QN-I-470

Published Apr 21, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
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 API endpoints on the targeted device.

Successful exploitation of this vulnerability could allow the attacker to access sensitive information, including internal endpoints, scripts and directories on the targeted device.

Remediation

Vendor Solution

Upgrade Quantum Networks Router QN-I-470 to latest firmware version 7.5.4.B9: https://www.qntmnet.com/wp-content/uploads/2026/04/QN-I-470-7.5.4.B9.qntm?ver=1775552129

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Qntmnet
Qntmnet qn-i-470
Qntmnet qn-i-470 Firmware
CPEs cpe:2.3:h:qntmnet:qn-i-470:-:*:*:*:*:*:*:*
cpe:2.3:o:qntmnet:qn-i-470_firmware:6.1.1.b1:*:*:*:*:*:*:*
Vendors & Products Qntmnet
Qntmnet qn-i-470
Qntmnet qn-i-470 Firmware
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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 API endpoints on the targeted device. Successful exploitation of this vulnerability could allow the attacker to access sensitive information, including internal endpoints, scripts and directories on the targeted device.
Title Information Disclosure Vulnerability in Quantum Networks Router QN-I-470
First Time appeared Quantum Networks
Quantum Networks router Qn-i-470
Weaknesses CWE-306
CPEs cpe:2.3:a:quantum_networks:router_qn-i-470:at_6.1.1.b1:*:*:*:*:*:*:*
Vendors & Products Quantum Networks
Quantum Networks router Qn-i-470
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
CERT-In
Published
Updated
Apr 21, 2026, 1:13 PM
Reserved
Apr 16, 2026, 7:21 AM
Status
Analyzed
Published
Apr 21, 2026, 11:16 AM
Modified
Oct 26, 2026, 10:10 PM