A vulnerability described as critical has been identified in TP-Link Archer MR200 v07, Archer MR200 v8, Archer MR402 v1, Archer VR2100 v1, Archer C20 v5, Archer C20 v6 and TL-MR6400 v7 . This affects an unknown function of the component DHCP Handler . Such manipulation leads to os command injection. This vulnerability is documented as CVE-2026-11834 . The attack requires being on the local network. There is not any exploit available.