CVE Catalog

CVE-2026-6559

MediumCVSS 4.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.27%

18th percentile - higher than 18% of all known CVEs

Summary

A weakness was identified in Wavlink WL-WN579A3 220323 affecting the sub_401F80 function in /cgi-bin/login.cgi. Manipulation of the Hostname argument causes cross-site scripting, exploitable remotely. The vendor quickly released a fixed version of the product.

Risk Assessment

An attacker could execute malicious script in a user's browser, potentially leading to session or credential theft.

Recommendation

Update the device to the fixed firmware version released by the vendor.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS