CVE-2022-28369

Name: CVE-2022-28369
Creator: NVD / NIST
Published: 2022-07-14T13:15:08.153+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.26%

Last modified Jun 17, 2026

CVE-2022-28369 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.26% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.26%

65.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Verizon	Lvskihp Indoorunit Firmware	3.4.66.162

References

https://github.com/JousterL/SecWriteups/blob/main/Verizon%20LVSKIHP%205G%20Modem/readme.mdExploit, Third Party Advisory
https://www.verizon.com/info/reportsecurityvulnerability/Vendor Advisory
https://github.com/JousterL/SecWriteups/blob/main/Verizon%20LVSKIHP%205G%20Modem/readme.mdExploit, Third Party Advisory
https://www.verizon.com/info/reportsecurityvulnerability/Vendor Advisory

Timeline

Published: Jul 14, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-28369?

How severe is CVE-2022-28369?

CVE-2022-28369 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.26% probability of exploitation in the next 30 days.

How do I fix CVE-2022-28369?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-28369?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST