TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a remote code execution (RCE) vulnerability via the function oal_wan6_setIpAddr.Referenceshttp://tp-link.comhttp://router.comhttps://east-trowel-102.notion.site/CVE-2021-XXXX-rce-via-crafted-payload-in-an-ipv6-address-input-field-hidden-EN-98e24b6f841043fba17ec4627c34f5d1