CVE-2021-41653

critical

Description

The PING function on the TP-Link TL-WR840N EU v5 router with firmware through TL-WR840N(EU)_V5_171211 is vulnerable to remote code execution via a crafted payload in an IP address input field.

References

https://www.tp-link.com/us/press/security-advisory/

https://k4m1ll0.com/cve-2021-41653.html

http://tp-link.com

Details

Source: Mitre, NVD

Published: 2021-11-13

Updated: 2026-07-05

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H