TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a command injection vulnerability via the component oal_setIp6DefaultRoute.
https://east-trowel-102.notion.site/CVE-2021-XXXX-Injection-of-commands-through-object-oal_setIp6DefaultRoute-EN-ddf9c1db199d49829269147ada6cb312
http://tp-link.com
http://router.com
Source: Mitre, NVD
Published: 2022-02-25
Updated: 2026-07-05
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.72495