Is CVE-2026-41039 actively exploited?

No active exploitation of CVE-2026-41039 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-41039 be exploited remotely?

Yes. CVE-2026-41039 is exploitable remotely over the network (CVSS attack vector: Network).

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

CVE-2026-41039 has a CVSS score of 8.7 (HIGH).

HOME VULNERABILITIESCVE-2026-41039

HIGH

CVE-2026-41039

CWE-306Published: April 21, 2026· Updated: Apr 21, 2026

8.7

CVSS v3.1

EPSS:0.05%probability of exploitation in 30 daysPercentile:16.8th

Official 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.

NVD Source

Technical Analysis

CVE-2026-41039 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeX

Impact

Confidentiality

Integrity

Availability

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