Is CVE-2026-36959 actively exploited?

No active exploitation of CVE-2026-36959 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-36959 be exploited remotely?

Yes. CVE-2026-36959 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-36959?

CVE-2026-36959 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2026-36959

CWE-307Published: April 30, 2026· Updated: May 5, 2026

7.5

CVSS v3.1

EPSS:0.06%probability of exploitation in 30 daysPercentile:19.3th

Official Description

U-SPEED N300 router V1.0.0 does not implement rate limiting or account lockout protections on the /api/login endpoint. This allows an attacker on the local network to perform unlimited authentication attempts, enabling brute-force attacks against the administrator account and potential unauthorized access to the router management interface.

NVD Source

Technical Analysis

CVE-2026-36959 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.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.