CVE advisoryCRITICAL
CVE-2021-41653
TP-Link TL-WR840N Remote Code Execution Via IP Input.
Halo Surface Signal: 4 out of 5 — likely to be public-facing.
A critical vulnerability in the PING function of TP-Link routers allows remote code execution through a crafted IP address input. This could enable unauthenticated attackers to compromise the device, potentially affecting network services and transmitted data. Given the router's potential external reachability, assessi