# CVE-2026-6559

> Vulnerability · severity: **MEDIUM** (CVSS 4.3).

## Description

A weakness has been identified in Wavlink WL-WN579A3 220323. This affects the function sub_401F80 of the file /cgi-bin/login.cgi. This manipulation of the argument Hostname causes cross site scripting. Remote exploitation of the attack is possible. Upgrading the affected component is recommended. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

## Key facts

- **CVE ID:** CVE-2026-6559
- **Published:** 2026-04-19
- **CVSS severity:** MEDIUM
- **CVSS base score:** 4.3
- **CWE codes:** CWE-79, CWE-94

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-6559

## Citation

> AI Analytics. CVE-2026-6559. Retrieved 2026-07-19 from https://api.ai-analytics.org/cve/CVE-2026-6559. Derived from NIST NVD. Licensed CC0.

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