HOMEVULNERABILITIESCVE-2022-28372
HIGH

CVE-2022-28372

CWE-434Published: July 14, 2022· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

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 provide a means of provisioning a firmware update for the device via crtc_fw_upgrade or crtcfwimage. The URL provided is not validated, and thus allows for arbitrary file upload to the device. This occurs in /lib/lua/luci/crtc.lua (IDU) and /lib/functions/wnc_jsonsh/wnc_crtc_fw.sh (ODU).

NVD Source

Technical Analysis

CVE-2022-28372 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Vendors & Products

verizon4 product(s)
lvskihp indoorunit firmwarelvskihp indoorunitlvskihp outdoorunit firmwarelvskihp outdoorunit
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

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

All References (4)

→
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

Quick Facts

CVE IDCVE-2022-28372
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-434
CISA KEVNo
Affected1 vendor(s)
PublishedJul 14, 2022

Related CVEs (CWE-434)

CVE-2023-23656
10.0
CVE-2026-48283
10.0
CVE-2024-31115
10.0
CVE-2023-49815
10.0
CVE-2026-57719
10.0
CVE-2025-60219
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-28372 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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