📦 Tl Wr840n Firmware

by Tp Link

🔍 What is Tl Wr840n Firmware?

Description coming soon...

🛡️ Security Overview

Click on a severity to filter vulnerabilities

⚠️ Known Vulnerabilities

CVE-2022-25061

CRITICAL CVSS 9.8 Feb 25, 2022

This CVE describes a command injection vulnerability in TP-LINK TL-WR840N routers that allows attackers to execute arbitrary commands on the device. The vulnerability exists in the oal_setIp6DefaultRo...

CVE-2022-25064

CRITICAL CVSS 9.8 Feb 25, 2022

This vulnerability allows remote attackers to execute arbitrary code on TP-LINK TL-WR840N routers via a crafted IPv6 address payload in the oal_wan6_setIpAddr function. Attackers can gain full control...

CVE-2021-41653

CRITICAL CVSS 9.8 Nov 13, 2021

This vulnerability allows remote attackers to execute arbitrary code on TP-Link TL-WR840N EU v5 routers by sending a specially crafted payload to the PING function's IP address input field. Attackers ...

CVE-2020-36178

CRITICAL CVSS 9.8 Jan 6, 2021

This CVE allows remote attackers to execute arbitrary operating system commands on TP-Link TL-WR840N routers by injecting malicious commands into an IP address field in the web interface. The vulnerab...

CVE-2023-39471

HIGH CVSS 8.8 May 3, 2024

This vulnerability allows network-adjacent attackers to execute arbitrary commands as root on TP-Link TL-WR841N routers without authentication. The flaw exists in the ated_tp service which fails to pr...

CVE-2021-46122

HIGH CVSS 7.2 Apr 18, 2022

This vulnerability allows remote attackers to execute arbitrary code on TP-Link TL-WR840N routers via a buffer overflow in the password reset feature. Attackers can exploit this without authentication...

CVE-2022-26639

HIGH CVSS 7.2 Mar 28, 2022

This CVE describes a buffer overflow vulnerability in TP-LINK TL-WR840N routers via the DNSServers parameter. Attackers can exploit this to execute arbitrary code or crash the device. Users of TP-LINK...

CVE-2022-26641

HIGH CVSS 7.2 Mar 28, 2022

This vulnerability allows remote attackers to execute arbitrary code on TP-LINK TL-WR840N routers via a buffer overflow in the httpRemotePort parameter. Attackers can potentially take full control of ...