CVE-2022-24693 : Security Advisory and Response

Baicells Nova436Q and Neutrino 430 devices with firmware through QRTB 2.7.8 have hardcoded credentials that can be easily discovered by remote attackers, allowing them to authenticate via ssh.

Understanding CVE-2022-24693

This CVE affects Baicells Nova436Q and Neutrino 430 devices due to hardcoded credentials in the firmware that can be exploited by malicious actors.

What is CVE-2022-24693?

The vulnerability in Baicells Nova436Q and Neutrino 430 devices allows remote attackers to gain unauthorized access via ssh by exploiting hardcoded credentials stored in the firmware.

The Impact of CVE-2022-24693

The presence of hardcoded credentials in the affected devices poses a significant security risk as it enables unauthorized individuals to authenticate and potentially compromise the devices.

Technical Details of CVE-2022-24693

This section provides insights into the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

Baicells Nova436Q and Neutrino 430 devices running firmware up to version QRTB 2.7.8 contain hardcoded credentials that are encrypted using the crypt function, which can be easily decrypted by attackers.

Affected Systems and Versions

Devices running Baicells Nova436Q and Neutrino 430 firmware up to version QRTB 2.7.8 are vulnerable to this issue.

Exploitation Mechanism

Remote attackers can exploit this vulnerability by obtaining and decrypting the hardcoded credentials within the firmware, allowing them to authenticate via ssh.

Mitigation and Prevention

To mitigate the risks associated with CVE-2022-24693, immediate steps need to be taken along with the adoption of long-term security practices and ensuring prompt patching and updates.

Immediate Steps to Take

Device owners should change the default credentials, restrict remote access, and monitor network activity for any unauthorized access attempts.

Long-Term Security Practices

Implement strong password policies, employ network segmentation, regularly update firmware, and conduct security audits to fortify the devices against potential threats.

Patching and Updates

Baicells Nova436Q and Neutrino 430 device users are advised to apply firmware updates provided by the vendor to address the hardcoded credentials issue and enhance the overall security posture.