CVE-2026-4489: Tenda a18 Pro

High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days.

A vulnerability was detected in Tenda A18 Pro 02.03.02.28. This vulnerability affects the function form_fast_setting_wifi_set of the file /goform/fast_setting_wifi_set. The manipulation results in stack-based buffer overflow. The attack may be launched remotely. The exploit is now public and may be used.

Affected products

• Tenda a18 Pro: version 02.03.02.28 only

Published 2026-03-20. Last modified 2026-06-17.