CVE-2021-20122

HIGH

Telus Wi-Fi Hub (PRV65B444A-S-TS) 3.00.20 - Authenticated OS Command Injection via tr69_cmd.cgi Parameters

Title source: llm

Description

The Telus Wi-Fi Hub (PRV65B444A-S-TS) with firmware version 3.00.20 is affected by an authenticated command injection vulnerability in multiple parameters passed to tr69_cmd.cgi. A remote attacker connected to the router's LAN and authenticated with a super user account, or using a bypass authentication vulnerability like CVE-2021-20090 could leverage this issue to run commands or gain a shell as root on the target device.

References (1)

Core 1

Core References

Exploit, Third Party Advisory x_refsource_misc

https://www.tenable.com/security/research/tra-2021-41

Scores

CVSS v3 7.2

EPSS 0.0653

EPSS Percentile 92.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-78

Status published

Products (1)

telus/prv65b444a-s-ts_firmware 3.00.20

Published Oct 11, 2021

Tracked Since Feb 18, 2026