CVE-2021-20122

Published: Oct 11, 2021Modified: Nov 21, 2024

7.2

Vector

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

Exploitability: 1.2 / Impact: 5.9

Source: NVD

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.

Affected (1)

Products: Telus: Prv65b444a S Ts Firmware

1 product

Prv65b444a S Ts Firmware

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Telus Prv65b444a S Ts Firmware	Version 3.00.20

Running on/with	Platform Versions
Telus Prv65b444a S Ts	All versions

Related CWEs

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

References (2)

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

Source: vulnreport@tenable.com

ExploitThird Party Advisory

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

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party Advisory

Timeline

No history available yet.