CVE-2018-11481 Explained : Impact and Mitigation

TP-LINK IPC TL-IPC223(P)-6, TL-IPC323K-D, TL-IPC325(KP)-*, and TL-IPC40A-4 devices are vulnerable to authenticated remote code execution due to a validation issue in the validator.lua file.

Understanding CVE-2018-11481

TP-LINK devices are susceptible to remote code execution through manipulated JSON data.

What is CVE-2018-11481?

The TP-LINK IPC TL-IPC223(P)-6, TL-IPC323K-D, TL-IPC325(KP)-*, and TL-IPC40A-4 devices are prone to authenticated remote code execution when specific JSON data is utilized, exploiting a flaw in the validator.lua file.

The Impact of CVE-2018-11481

This vulnerability allows attackers to execute remote code on the affected devices, potentially leading to unauthorized access and control.

Technical Details of CVE-2018-11481

TP-LINK devices are at risk due to a flaw in the validator.lua file.

Vulnerability Description

The vulnerability arises from the absence of character blockage in the validator.lua file, enabling attackers to execute remote code by manipulating JSON data.

Affected Systems and Versions

TP-LINK IPC TL-IPC223(P)-6
TL-IPC323K-D
TL-IPC325(KP)-*
TL-IPC40A-4

Exploitation Mechanism

Attackers can exploit this vulnerability by using crafted JSON data to bypass the character blockage validation in the validator.lua file.

Mitigation and Prevention

To secure the affected devices, immediate actions and long-term security practices are recommended.

Immediate Steps to Take

Disable remote access if not required
Implement strong authentication mechanisms
Monitor network traffic for suspicious activities

Long-Term Security Practices

Regularly update firmware and security patches
Conduct security audits and penetration testing

Patching and Updates

Apply the latest firmware updates provided by TP-LINK to address this vulnerability.