CVE-2019-12195 : What You Need to Know

TP-Link TL-WR840N v5 00000005 devices are vulnerable to cross-site scripting (XSS) attacks through the network name, potentially leading to internet disconnection for all users.

Understanding CVE-2019-12195

This CVE describes a security vulnerability in TP-Link TL-WR840N v5 00000005 routers that allows attackers to execute XSS attacks through the network name.

What is CVE-2019-12195?

The vulnerability in TP-Link TL-WR840N v5 00000005 routers enables attackers to perform XSS attacks by manipulating the network name, leading to internet disconnection for all users.

The Impact of CVE-2019-12195

Exploiting this vulnerability can result in unauthorized alteration of the network name, causing the internet connection to be disrupted and affecting all users' access to the internet.

Technical Details of CVE-2019-12195

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows attackers to inject XSS payloads into the network name, leading to automatic alteration and subsequent internet disconnection.

Affected Systems and Versions

Product: TP-Link TL-WR840N v5 00000005
Version: Not applicable

Exploitation Mechanism

To exploit this vulnerability, attackers need to gain unauthorized access to the router by cracking the password and then use THC-HYDRA to obtain the network name for injecting XSS payloads.

Mitigation and Prevention

Protecting against and addressing the CVE-2019-12195 vulnerability.

Immediate Steps to Take

Change default router passwords to strong, unique ones.
Regularly update router firmware to patch known vulnerabilities.
Monitor network activity for any suspicious behavior.

Long-Term Security Practices

Implement network segmentation to limit the impact of potential attacks.
Educate users on safe internet practices and phishing awareness.

Patching and Updates

Apply security patches provided by TP-Link to address the XSS vulnerability in affected routers.