Is CVE-2026-41039 actively exploited?

CVE-2026-41039 has no public evidence of in-the-wild exploitation as of 2026-04-21.

What is the CVSS score for CVE-2026-41039?

CVE-2026-41039 has a CVSS score of 8.7 (HIGH severity). 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X.

How do I patch CVE-2026-41039?

Vendor patch guidance is linked from the references on this page. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-41039.

Which products are affected by CVE-2026-41039?

Affected products for CVE-2026-41039 are listed on this page once vendor data becomes available.

Fix CVE-2026-41039 - HIGH Vulnerability

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.

CVSS Metrics

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Confidentiality: undefined
Integrity: undefined
Availability: undefined
Weaknesses: CWE-306 · Missing Authentication

Metadata

Primary Vendor: UNKNOWN
Published: 4/21/2026
Last Modified: 4/21/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-41039

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary