CVE-2021-20122

7.2 highEPSS 6.5%

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

CVSS 3.1

7.2 high

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

EPSS: 6.5% chance of exploitation in the next 30 days; higher than 93% of CVEs (scores of 2026-10-31)
CWE: CWE-78
Published: 2021-10-11
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

telus:prv65b444a-s-ts_firmware

References

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

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