PatchTheCVECVE-2022-28377: On Verizon 5G Home LVSKIHP InDoorUnit (IDU) 3.4.66.162 and OutDoorUnit (ODU) 3.33.101.0 devices, the CRTC and
CVE-2022-28377 is a high-severity flaw (CVSS 7.5) affecting lvskihp indoorunit firmware, lvskihp outdoorunit firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
On Verizon 5G Home LVSKIHP InDoorUnit (IDU) 3.4.66.162 and OutDoorUnit (ODU) 3.33.101.0 devices, the CRTC and ODU RPC endpoints rely on a static account username/password for access control. This password can be generated via a binary included in the firmware, after ascertaining the MAC address of the IDU's base Ethernet interface, and adding the string DEVICE_MANUFACTURER='Wistron_NeWeb_Corp.' to /etc/device_info to replicate the host environmen
Why this priority
- High 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 | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.0% (top 38%) |
| CISA exploited list | No |
| Weakness | CWE-521 |
| Published | 2022-07-14 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
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-2022-28377?
lvskihp indoorunit firmware: mitigate or apply the listed mitigation; lvskihp outdoorunit firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2022-28377 being exploited?
CVE-2022-28377 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-2022-28377 affect?
CVE-2022-28377 affects lvskihp indoorunit firmware, lvskihp outdoorunit firmware. Severity is high (CVSS 7.5). On Verizon 5G Home LVSKIHP InDoorUnit (IDU) 3.4.66.162 and OutDoorUnit (ODU) 3.33.101.0 devices, the CRTC and ODU RPC endpoints rely on a static account username/password for access control. This password can be generated via a binary inclu
How urgent is CVE-2022-28377?
Priority 52/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action
Related CVEs
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- 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
- CVE-2022-28369 CRITICAL 9.8 MITIGATE Verizon 5G Home LVSKIHP InDoorUnit (IDU) 3.4.66.162 does not validate the user-provided URL within the crtcmod