TOTOLINK A6000R V1.0.1-B20201211.2000 was discovered to contain a command injection vulnerability via the iface parameter in the vif_disable function.
https://github.com/yanggao017/vuln/blob/main/TOTOLINK/A6000R/CI_1_vif_disable/README.md
https://gist.github.com/yanggao017/8593748d4e2de1582344b4035b2456c6