CVE-2022-28369: Verizon 5G Home LVSKIHP InDoorUnit (IDU) 3.4.66.162 does not validate the user-provided URL within the crtcmod

This week

CRITICAL 9.8REMOTEMITIGATE

CVE-2022-28369 is a critical-severity flaw (CVSS 9.8) affecting lvskihp indoorunit firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.5% (top 26%)
CISA exploited list	No
Weakness	CWE-434
Published	2022-07-14
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: verizon

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-07-14 13:15 UTCPublished CVE record published
2026-06-17 04:38 UTCUpdated Record last modified

verizon lvskihp indoorunit firmware MITIGATE

Affected: 3.4.66.162

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.4.66.162

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-28369?

lvskihp indoorunit firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-28369 being exploited?

CVE-2022-28369 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-28369 affect?

CVE-2022-28369 affects lvskihp indoorunit firmware. Severity is critical (CVSS 9.8). 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 attac

How urgent is CVE-2022-28369?

Priority 63/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2022-28377 HIGH 7.5 MITIGATE MITIGATE On Verizon 5G Home LVSKIHP InDoorUnit (IDU) 3.4.66.162 and OutDoorUnit (ODU) 3.33.101.0 devices, the CRTC and
CVE-2022-28373 CRITICAL 9.8 MITIGATE Verizon 5G Home LVSKIHP InDoorUnit (IDU) 3.4.66.162 does not properly sanitize user-controlled parameters with
CVE-2022-28372 HIGH 7.5 MITIGATE MITIGATE On Verizon 5G Home LVSKIHP InDoorUnit (IDU) 3.4.66.162 and OutDoorUnit (ODU) 3.33.101.0 devices, the CRTC and
CVE-2022-28371 HIGH 7.5 MITIGATE MITIGATE On Verizon 5G Home LVSKIHP InDoorUnit (IDU) 3.4.66.162 and OutDoorUnit (ODU) 3.33.101.0 devices, the CRTC and

References

← Back to latest CVEs