CVE-2021-20122: telus prv65b444a-s-ts firmware

csirt@kutim:~/threat-intel/cve/CVE-2021-20122

CVSS 7.2 · High EPSS 6,5%

Kerentanan Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') pada telus prv65b444a-s-ts firmware. Skor CVSS 3.1 7.2 (High) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD: 11 Oktober 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 7.2 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
EPSS (30 hari): 6,5% peluang dieksploitasi; lebih tinggi dari 93,6% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
telus	prv65b444a-s-ts firmware	Versi 3.00.20

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://www.tenable.com/security/research/tra-2021-41 exploit · advisory pihak ketiga

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.