{"id":"CVE-2021-20122","aliases":["EUVD-2021-7579","GHSA-28rc-568h-qq5j"],"status":"published","title":"The Telus Wi-Fi Hub (PRV65B444A-S-TS) with firmware version 3.00.20 is affected by an...","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":{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.06529,"percentile":0.93834,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-77","CWE-78"],"published":"2021-10-11T16:48:59Z","modified":"2026-06-17T03:33:18Z","products":[{"vendor":"telus","product":"prv65b444a-s-ts_firmware"}],"references":[{"url":"https://www.tenable.com/security/research/tra-2021-41","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20122"},{"url":"https://github.com/advisories/GHSA-28rc-568h-qq5j"}],"sources":{"cve":[{"id":"CVE-2021-20122","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.","status":"published","published":"2021-10-11T16:48:59Z","modified":"2024-08-03T17:30:07.433Z","updated_at":"2026-11-02T14:32:55.564736Z"}],"euvd":[{"id":"EUVD-2021-7579","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.","status":"published","published":"2021-10-11T16:48:59Z","modified":"2024-08-03T17:30:07Z","updated_at":"2026-11-03T03:25:09.841069Z"}],"ghsa":[{"id":"GHSA-28rc-568h-qq5j","title":"The Telus Wi-Fi Hub (PRV65B444A-S-TS) with firmware version 3.00.20 is affected by an...","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.","status":"published","published":"2022-05-24T19:17:10Z","modified":"2023-01-27T05:03:06Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T14:42:10.172069Z"}],"nvd":[{"id":"CVE-2021-20122","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.","status":"published","published":"2021-10-11T17:15:07.497Z","modified":"2026-06-17T03:33:18.527Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":9,"vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:06:59.689345Z"}]}}