# CVE-2026-36959

> Vulnerability · severity: **HIGH** (CVSS 7.5).

## 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.

## Key facts

- **CVE ID:** CVE-2026-36959
- **Published:** 2026-04-30
- **CVSS severity:** HIGH
- **CVSS base score:** 7.5
- **CWE codes:** CWE-307

## Affected products

- `u-speed:n300_firmware`
- `u-speed:n300`

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-36959

## Citation

> AI Analytics. CVE-2026-36959. Retrieved 2026-07-24 from https://api.ai-analytics.org/cve/CVE-2026-36959. Derived from NIST NVD. Licensed CC0.

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