CVE-2022-28369: Verizon Lvskihp Indoorunit Firmware

Critical severity, CVSS 9.8. EPSS: 1.5% chance of exploitation in the next 30 days.

Verizon 5G Home LVSKIHP InDoorUnit (IDU) 3.4.66.162 does not validate the user-provided URL within the crtcmode function's enable_ssh sub-operation of the crtcrpc JSON listener (found at /lib/functions/wnc_jsonsh/crtcmode.sh) A remote attacker on the local network can provide a malicious URL. The data (found at that URL) is written to /usr/sbin/dropbear and then executed as root.

Affected products

• Verizon Lvskihp Indoorunit Firmware: version 3.4.66.162 only

Published 2022-07-14. Last modified 2026-06-17.