CVE-2021-44827

HIGH

Tp-link Archer C20i Firmware < 170221 - OS Command Injection

Title source: rule
STIX 2.1

Description

There is remote authenticated OS command injection on TP-Link Archer C20i 0.9.1 3.2 v003a.0 Build 170221 Rel.55462n devices vie the X_TP_ExternalIPv6Address HTTP parameter, allowing a remote attacker to run arbitrary commands on the router with root privileges.

Exploits (1)

nomisec WORKING POC 4 stars
by full-disclosure · poc
https://github.com/full-disclosure/CVE-2021-44827

References (3)

Core 3
Core References
Vendor Advisory x_refsource_misc
https://www.tp-link.com/us/security
Exploit, Third Party Advisory x_refsource_misc
https://Full-Disclosure.eu

Scores

CVSS v3 8.8
EPSS 0.4463
EPSS Percentile 97.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-78
Status published
Products (1)
tp-link/archer_c20i_firmware < 170221
Published Mar 04, 2022
Tracked Since Feb 18, 2026