Shenzhen Haichangxing Technology Co., Ltd HCX H822 4G LTE Router M7628NNxISPxUIv2_v1.0.1557.15.35_P0 is vulnerable to Incorrect Access Control. Unauthenticated factory mode reset and command injection leads to information exposure and root shell access.Referenceshttps://medium.com/@sengkyaut/unauthenticated-factory-mode-reset-and-at-command-injection-in-jboneos-or-jbonecloud-firmware-1dec156b7ddd