CVE-2019-14920 : What You Need to Know

The firmware version 3.02.rc6 of the Billion Smart Energy Router SG600R2 has a vulnerability that allows an authenticated attacker to gain root execution privileges on the device.

Understanding CVE-2019-14920

This CVE entry describes a security vulnerability in the Billion Smart Energy Router SG600R2 firmware version 3.02.rc6.

What is CVE-2019-14920?

The vulnerability in the Billion Smart Energy Router SG600R2 firmware version 3.02.rc6 enables an authenticated attacker to obtain root execution privileges on the device through a hidden shell feature located at etc_ro/web/adm/system_command.asp.

The Impact of CVE-2019-14920

The impact of this vulnerability is that an attacker with authenticated access can escalate their privileges to gain full control over the device, potentially leading to unauthorized access and malicious activities.

Technical Details of CVE-2019-14920

This section provides more technical insights into the CVE-2019-14920 vulnerability.

Vulnerability Description

The vulnerability allows an authenticated attacker to exploit a hidden shell feature in the Billion Smart Energy Router SG600R2 firmware version 3.02.rc6 to achieve root execution privileges on the device.

Affected Systems and Versions

Product: Billion Smart Energy Router SG600R2
Version: Firmware version 3.02.rc6

Exploitation Mechanism

The attacker needs to have authenticated access to the device to exploit the hidden shell feature and gain root execution privileges.

Mitigation and Prevention

Protecting against CVE-2019-14920 involves taking immediate steps and implementing long-term security practices.

Immediate Steps to Take

Disable remote access to the device if not required.
Regularly monitor for any unauthorized access or changes on the device.
Apply vendor-supplied patches or updates promptly.

Long-Term Security Practices

Implement strong authentication mechanisms for device access.
Conduct regular security audits and vulnerability assessments.
Keep firmware and software up to date to address known security issues.
Educate users on secure practices to prevent unauthorized access.
Consider network segmentation to limit the impact of potential breaches.

Patching and Updates

Ensure that you regularly check for and apply any patches or updates provided by Billion for the Smart Energy Router SG600R2 to address this vulnerability.