CVE-2022-28372Network attack vector

Arbitrary file upload via unvalidated firmware URL

Published Jul 14, 2022 · Updated Aug 3, 2024

Unrestricted file upload in Verizon 5G Home LVSKIHP IDU 3.4.66.162 and ODU 3.33.101.0 allows remote attackers to write files via a URL. The CRTC and ODU RPC update handlers pass an unvalidated attacker-supplied URL to crtc_fw_upgrade or crtcfwimage, causing the device to fetch and store an arbitrary file. Reachability requires access to the RPC listener and its firmware-embedded client certificate; the bounded result is attacker-chosen file placement.

CVSS severity7.5
High
EPSS probability0.74%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unrestricted file upload in Verizon 5G Home LVSKIHP IDU 3.4.66.162 and ODU 3.33.101.0 allows remote attackers to write files via a URL. The CRTC and ODU RPC update handlers pass an unvalidated attacker-supplied URL to crtc_fw_upgrade or crtcfwimage, causing the device to fetch and store an arbitrary file. Reachability requires access to the RPC listener and its firmware-embedded client certificate; the bounded result is attacker-chosen file placement.

The record

CVE
CVE-2022-28372
Published
Jul 14, 2022
Updated
Aug 3, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-434, T1105
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 14, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-434Unrestricted Upload of File with Dangerous Type
T1105Ingress Tool Transfer

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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