CVE-2017-6531 Explained : Impact and Mitigation

Televes COAXDATA GATEWAY 1Gbps devices with doc-wifi-hgw_v1.02.0014 4.20 firmware version have a deficiency in access control of the backup/restore feature.

Understanding CVE-2017-6531

The vulnerability in Televes COAXDATA GATEWAY devices allows unauthorized access to the backup/restore feature, specifically in ReadFile.cgi and LoadCfgFile.

What is CVE-2017-6531?

The Televes COAXDATA GATEWAY 1Gbps devices with specific firmware versions lack proper access control mechanisms, potentially leading to unauthorized access to critical functions.

The Impact of CVE-2017-6531

This vulnerability could be exploited by attackers to gain unauthorized access to sensitive data or manipulate device configurations, posing a significant security risk to affected systems.

Technical Details of CVE-2017-6531

Televes COAXDATA GATEWAY devices are affected by a flaw in the access control mechanism of the backup/restore feature.

Vulnerability Description

The deficiency in access control in the ReadFile.cgi and LoadCfgFile functions of the affected devices allows unauthorized users to perform critical operations without proper authentication.

Affected Systems and Versions

Product: Televes COAXDATA GATEWAY 1Gbps devices
Firmware Version: doc-wifi-hgw_v1.02.0014 4.20

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted requests to the ReadFile.cgi and LoadCfgFile functions, bypassing authentication and gaining unauthorized access.

Mitigation and Prevention

It is crucial to take immediate steps to secure the affected devices and implement long-term security practices to prevent similar vulnerabilities.

Immediate Steps to Take

Disable remote access to the affected devices if not required
Monitor network traffic for any suspicious activity
Apply vendor-supplied patches or updates promptly

Long-Term Security Practices

Regularly update firmware and software to address security vulnerabilities
Conduct security assessments and penetration testing to identify and mitigate potential risks

Patching and Updates

Televes may release patches or updates to address the access control issue in the backup/restore feature