CVE-2018-3832

Name: CVE-2018-3832
Creator: NVD / NIST
Published: 2018-08-23T14:29:00.37+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9/10EPSS 1.66%

Last modified Jun 17, 2026

CVE-2018-3832 is a critical-severity vulnerability rated 9/10 on the CVSS scale. An exploitable firmware update vulnerability exists in Insteon Hub running firmware version 1013. The HTTP server allows for uploading arbitrary MPFS binaries that could be modified to enable access to hidden resources which allow for uploading unsigned firmware images to the device. EPSS estimates a 1.66% chance of exploitation in the next 30 days.

Description

An exploitable firmware update vulnerability exists in Insteon Hub running firmware version 1013. The HTTP server allows for uploading arbitrary MPFS binaries that could be modified to enable access to hidden resources which allow for uploading unsigned firmware images to the device. To trigger this vulnerability, an attacker can upload an MPFS binary via the '/mpfsupload' HTTP form and later on upload the firmware via a POST request to 'firmware.htm'.

Metrics

CVSS 3.1

9/10

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

EPSS Probability

1.66%

73.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Insteon	Hub 2245-222 Firmware	1013

References

https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0511Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/144976Third Party Advisory, VDB Entry
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0511Third Party Advisory

Timeline

Published: Aug 23, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-3832?

How severe is CVE-2018-3832?

CVE-2018-3832 has a CVSS score of 9/10 (CRITICAL severity). The EPSS model estimates a 1.66% probability of exploitation in the next 30 days.

How do I fix CVE-2018-3832?

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-2018-3832?

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

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Source: NVD / NIST