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CVE ID: CVE-2021-20122

Last updated: Oct. 18, 2021, 6:39 p.m.

Severity: HIGH

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.

Severity score: 10.0 Base score: 9.0 Exploitability score: 8.0 Confidentiality impact: COMPLETE Integrity impact: COMPLETE User interaction required: False Published: Oct. 11, 2021, 5:15 p.m. Data type: CVE Data format: MITRE Assigner: vulnreport@tenable.com Problem type: CWE-77 Reference url: https://www.tenable.com/security/research/tra-2021-41 Reference name: https://www.tenable.com/security/research/tra-2021-41 Reference source: MISC CVE version: 2.0 Vector string: AV:N/AC:L/Au:S/C:C/I:C/A:C Access vector: NETWORK Access complexity: LOW Authentication: SINGLE Base severity: AcInsf info: False Obtain all priviledges: False User privilege: False Other privilege: False

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