What is CVE-2018-3832?

CVE-2018-3832 is a critical-severity vulnerability in Insteon Hub 2245-222, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.0/10. Published 2018-08-23.

How severe is CVE-2018-3832?

Critical severity. CVSS v3 base score is 9.0 out of 10.

Arbitrary file upload in Insteon Hub 2245-222

CVE-2018-3832

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'.

Vulnerability class: Unrestricted File Upload

EPSS: 0.017 (74.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.

Affected products

Insteon Hub_2245-222
Insteon Hub_2245-222_firmware — versions 1013
Insteon — versions Insteon Hub 2245-222 - Firmware version 1013

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

talos-cna@cisco.com (Third Party Advisory, x_refsource_MISC)
nvd@nist.gov (Third Party Advisory, VDB Entry)

Frequently asked questions

What is CVE-2018-3832?: CVE-2018-3832 is a critical-severity vulnerability in Insteon Hub 2245-222, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.0/10. Published 2018-08-23.
How severe is CVE-2018-3832?: Critical severity. CVSS v3 base score is 9.0 out of 10.