CVE-2019-3423 : Security Advisory and Response

The C520V21 smart camera devices by ZTE Corporation are vulnerable to a permission and access control issue, allowing attackers to gain unauthorized access to sensitive files and resources.

Understanding CVE-2019-3423

The vulnerability in the C520V21 smart camera devices allows for directory traversal through manipulated URLs, leading to unauthorized access.

What is CVE-2019-3423?

The CVE-2019-3423 vulnerability is a permission and access control issue affecting versions up to V2.1.14 of the ZTE Corporation's C520V21 smart camera devices.

The Impact of CVE-2019-3423

This vulnerability enables attackers to exploit directory traversal to access files and resources that should be restricted, potentially compromising sensitive data.

Technical Details of CVE-2019-3423

The technical aspects of the CVE-2019-3423 vulnerability are as follows:

Vulnerability Description

The vulnerability allows attackers to manipulate URLs to perform directory traversal and gain unauthorized access to files and resources.

Affected Systems and Versions

Product: C520V21
Vendor: ZTE Corporation
Versions affected: All versions up to V2.1.14

Exploitation Mechanism

Attackers can exploit this vulnerability by constructing specific URLs to navigate directories and access restricted files.

Mitigation and Prevention

To address CVE-2019-3423, consider the following mitigation strategies:

Immediate Steps to Take

Implement access controls and restrictions on the affected devices.
Regularly monitor and audit access logs for suspicious activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing.
Keep systems up to date with the latest security patches and firmware updates.

Patching and Updates

Apply patches provided by ZTE Corporation to fix the vulnerability and enhance security measures.