CVE-2018-3832 File upload in Insteon

Critical 9.9 Published 23 Aug 2018 Updated 17 Sep 2024

Attackers can upload malicious firmware to Insteon Hubs via HTTP endpoints, enabling arbitrary code execution and full device compromise.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-3832?

CVE-2018-3832 is a critical vulnerability in Insteon, published on 23 Aug 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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'.

Weakness: CWE-434

Which versions are affected by CVE-2018-3832?

It affects 1 product.

Products include Insteon Hub 2245-222 Firmware.

How do I fix CVE-2018-3832?

No fix has been published for CVE-2018-3832 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-3832 being exploited?

There is no known exploitation of CVE-2018-3832 in the wild and no public exploit code.

Sources

Also known as GHSA-mv9v-5rx6-rmv3.