CVE-2022-28370 Information

Description

On Verizon 5G Home LVSKIHP OutDoorUnit (ODU) 3.33.101.0 devices the RPC endpoint crtc_fw_upgrade provides a means of provisioning a firmware update for the device. /lib/functions/wnc_jsonsh/wnc_crtc_fw.sh has no cryptographic validation of the image thus allowing an attacker to modify the installed firmware.

Reference

https://github.com/JousterL/SecWriteups/blob/main/Verizon%20LVSKIHP%205G%20Modem/readme.md https://www.verizon.com/info/reportsecurityvulnerability/