CVE-2021-20122

HIGH
7.2
CVSS Score
Published: October 11, 2021 at 04:48 PM UTC
Updated: June 17, 2026 at 03:33 AM UTC
3 products affected across 2 vendorsPRV65B444A S Ts FirmwarePrv65B444A-S-TsTelus Wi-Fi Hub (PRV65B444A-S-TS)

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Severity
HIGH7.2
Exploit prediction
EPSS 7%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

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

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-78

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