CVE-2021-20121: Telus PRV65B444A-S-Ts Firmware

Medium severity, CVSS 4.0. EPSS: 0.5% chance of exploitation in the next 30 days.

The Telus Wi-Fi Hub (PRV65B444A-S-TS) with firmware version 3.00.20 is vulnerable to an authenticated arbitrary file read. An authenticated user with physical access to the device can read arbitrary files from the device by preparing and connecting a specially prepared USB drive to the device, and making a series of crafted requests to the device's web interface.

Affected products

• Telus PRV65B444A-S-Ts Firmware: version 3.00.20 only

Published 2021-10-11. Last modified 2026-06-17.