CVE-2023-50990 : What You Need to Know

A buffer overflow vulnerability identified in Tenda i29 v1.0 V1.0.0.5 allows attackers to execute malicious code through a specific function parameter.

Understanding CVE-2023-50990

This section delves into the impact, technical details, and mitigation strategies related to CVE-2023-50990.

What is CVE-2023-50990?

CVE-2023-50990 is a buffer overflow vulnerability found in Tenda i29 v1.0 V1.0.0.5, triggered by the rebootTime parameter in the sysScheduleRebootSet function. This flaw could be exploited by threat actors to inject and execute arbitrary code.

The Impact of CVE-2023-50990

The vulnerability poses a significant risk as cybercriminals can leverage it to compromise the device, leading to unauthorized access, data theft, or disruption of service.

Technical Details of CVE-2023-50990

This section outlines the specifics of the vulnerability.

Vulnerability Description

The buffer overflow occurs due to insufficient input validation in the rebootTime parameter, enabling attackers to overwrite adjacent memory locations.

Affected Systems and Versions

Tenda i29 v1.0 V1.0.0.5 is confirmed to be impacted by this vulnerability, potentially exposing all devices running this specific version.

Exploitation Mechanism

Hackers can craft a malicious payload to exploit the buffer overflow, gaining unauthorized control over the affected device.

Mitigation and Prevention

Protective measures and best practices to mitigate the risks associated with CVE-2023-50990.

Immediate Steps to Take

Users and administrators should apply security patches promptly, restrict network access, and monitor for any suspicious activities.

Long-Term Security Practices

Establishing network segmentation, conducting regular security audits, and educating users on cybersecurity hygiene can enhance overall protection.

Patching and Updates

Regularly check for firmware updates from Tenda and apply them as soon as they are released to address known vulnerabilities.