How severe is CVE-2018-3832?

CVE-2018-3832 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-3832 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-3832?

CVE-2018-3832 affects Insteon Hub 2245-222 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-3832?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-3832 published?

CVE-2018-3832 was published on 2018-08-23 and last updated on 2026-06-17.

CVE-2018-3832

CVE-2018-3832 is a critical-severity vulnerability in Insteon Hub 2245-222 Firmware with a CVSS 3.x base score of 9.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.0)
CVSS v2: 8.5
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Insteon Hub 2245-222 Firmware
Published: 2018-08-23
Last modified: 2026-06-17

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'.

Frequently asked questions

What is 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'.
How severe is CVE-2018-3832?: CVE-2018-3832 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-3832 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-3832?: CVE-2018-3832 affects Insteon Hub 2245-222 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-3832?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-3832 published?: CVE-2018-3832 was published on 2018-08-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:insteon:hub_2245-222_firmware:1013:*:*:*:*:*:*:*

More vulnerabilities in Insteon Hub 2245-222 Firmware

CVE-2017-16337 — High (CVSS 8.8): On Insteon Hub 2245-222 devices with firmware version 1012, specially crafted commands sent through the PubNub service…
CVE-2017-14455 — High (CVSS 8.5): On Insteon Hub 2245-222 devices with firmware version 1012, specially crafted replies received from the PubNub service…
CVE-2017-14453 — High (CVSS 8.5): On Insteon Hub 2245-222 devices with firmware version 1012, specially crafted replies received from the PubNub service…
CVE-2018-3833 — High (CVSS 7.5): An exploitable firmware downgrade vulnerability exists in Insteon Hub running firmware version 1013. The firmware…
CVE-2017-14443 — Medium (CVSS 6.5): An exploitable information leak vulnerability exists in Insteon Hub running firmware version 1012. The HTTP server…

All CVEs affecting Insteon Hub 2245-222 Firmware →

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