CVE-2018-16198 Missing authorization in Toshiba Home gateway HEM-GW16A and Toshiba Home gateway HEM-GW26A

High 8.8 Published 9 Jan 2019 Updated 5 Aug 2024

An attacker on the same network can access an undocumented developer screen to perform unauthorized operations on the device.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-16198?

CVE-2018-16198 is a high-severity missing authorization vulnerability in Toshiba Home gateway HEM-GW16A and Toshiba Home gateway HEM-GW26A, published on 9 Jan 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Toshiba Home gateway HEM-GW16A 1.2.9 and earlier, Toshiba Home gateway HEM-GW26A 1.2.9 and earlier may allow an attacker on the same network segment to access a non-documented developer screen to perform operations on the affected device.

Which versions are affected by CVE-2018-16198?

It affects 2 products.

Products include Toshiba Hem-Gw16a Firmware, Toshiba Hem-Gw26a Firmware.

How do I fix CVE-2018-16198?

No fix has been published for CVE-2018-16198 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2018-16198 being exploited?

There is no known exploitation of CVE-2018-16198 in the wild and no public exploit code.

Sources

Also known as GHSA-qjvx-g87m-78xp.