A vulnerability was found in TP-Link Archer RE650 v1, Archer RE305 v1, Archer RE360 v1, TL-WA860RE v4 and RE580D v1 . It has been declared as very critical . This vulnerability affects unknown code of the component Administrator Password Handler . The manipulation of the argument Login results in improper input validation. This vulnerability is known as CVE-2026-3294 . Access to the local network is required for this attack. No exploit is available. It is recommended to upgrade the affected comp