What’s Vulnerable › Vulnerabilities

CVE-2022-28369

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-07-14 · updated 2026-06-17
• Weakness: CWE-434

Description

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: 3.4.66.162

References

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

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