CVE-2019-5268 : Security Advisory and Response

Certain Huawei home routers have a vulnerability related to input validation. This vulnerability arises from the incorrect verification of input parameters. An attacker can exploit this vulnerability by sending specially crafted packets to acquire and upload files.

Understanding CVE-2019-5268

What is CVE-2019-5268?

CVE-2019-5268 is a vulnerability in certain Huawei home routers that allows attackers to manipulate input validation, potentially leading to unauthorized access and file manipulation.

The Impact of CVE-2019-5268

This vulnerability can be exploited by malicious actors to access sensitive files on the affected devices and upload unauthorized files to specific directories.

Technical Details of CVE-2019-5268

Vulnerability Description

The vulnerability in Huawei home routers stems from inadequate input parameter verification, enabling attackers to send malicious packets for unauthorized file access and uploads.

Affected Systems and Versions

Affected Products: CD10-10, CD16-10, CD17-10, CD18-10, HiRouter-CD15-10, HiRouter-CD20-10, HiRouter-CD21-16, HiRouter-CD30-10, HiRouter-CD30-11, HiRouter-H1-10, TC5200-10, WS5100-10, WS5102-10, WS5106-10, WS5108-10, WS5200-10, WS5200-11, WS5280-10, WS5280-11, WS6500-10, WS6500-11, WS826-10
Affected Versions: 10.0.2.2, 10.0.2.3, 9.0.3.3, 9.0.2.23, 9.0.2.3, 9.0.3.9, 10.0.2.8, 9.0.3.11, 9.0.3.22

Exploitation Mechanism

The vulnerability can be exploited by sending specially crafted packets to the affected routers, allowing attackers to gain unauthorized access to files and directories.

Mitigation and Prevention

Immediate Steps to Take

Update the firmware of the affected routers to the latest version provided by Huawei.
Implement strong network security measures to prevent unauthorized access.

Long-Term Security Practices

Regularly monitor network traffic for any suspicious activities.
Conduct security audits and assessments to identify and address vulnerabilities.

Patching and Updates

Stay informed about security advisories from Huawei and apply patches promptly to mitigate known vulnerabilities.