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CVE-2026-36959

7.5 · HIGH

U-SPEED N300 router V1.0.0 does not implement rate limiting or account lockout protections on the /api/login endpoint.

Published Apr 30, 2026CWE-307EPSS 0.51%

Overview

CVE-2026-36959 is a high-severity vulnerability. It was published on April 30, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/kirubel-cve/CVE-2026-36959GitHubgithub.com/kirubel-cve/CVE-2026-36959

How CyberStrike helps

Frequently asked questions

What is CVE-2026-36959?

CVE-2026-36959 is a high-severity vulnerability. It was published on April 30, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-36959?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-36959?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-36959?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-36959 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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