CVE-2026-2530: Wavlink Wl-WN579A3 Firmware

High severity, CVSS 8.8. EPSS: 8.4% chance of exploitation in the next 30 days.

A weakness has been identified in Wavlink WL-WN579A3 up to 20210219. This affects the function AddMac of the file /cgi-bin/wireless.cgi. This manipulation of the argument macAddr causes command injection. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Wavlink Wl-WN579A3 Firmware: up to and including 2021-02-19

Published 2026-02-16. Last modified 2026-06-17.