TOTOLINK A850R-V1 is a wireless dual-band router.TOTOLINK A850R-V1 version 1.0.1-B20150707.1612 and F1-V2 version 1.1-B20150708.1646 contain a security vulnerability that stems from the fact that by sending a specific hel,xasf packet to the WAN interface , it is possible to open the web management interface on the WAN interface. No details of the vulnerability are currently available.