CVE-2023-2649 : Exploit Details and Defense Strategies

This is a detailed overview of CVE-2023-2649, covering important aspects such as the vulnerability description, impact, technical details, and mitigation strategies.

Understanding CVE-2023-2649

CVE-2023-2649 is associated with a critical vulnerability found in the Tenda AC23 16.03.07.45_cn router, specifically impacting the component Service Port 7329. This vulnerability has been categorized as a command injection flaw (CWE-77) and poses a significant risk to affected systems.

What is CVE-2023-2649?

The vulnerability in Tenda AC23 allows for remote attackers to execute arbitrary commands due to improper handling of user-supplied data in the /bin/ate component related to Service Port 7329. This flaw can be exploited remotely, making it a serious security concern.

The Impact of CVE-2023-2649

With a CVSS base score of 7.2 (High severity), CVE-2023-2649 has the potential to lead to unauthorized command execution, data compromise, and overall system compromise. Immediate action is crucial to prevent exploitation and protect vulnerable systems.

Technical Details of CVE-2023-2649

The vulnerability arises from a flaw in processing user inputs within the /bin/ate component of the affected Tenda AC23 router version 16.03.07.45_cn. This vulnerability enables threat actors to inject and execute arbitrary commands remotely, posing a severe security risk to impacted devices.

Vulnerability Description

The flaw in Tenda AC23 router results in command injection due to the mishandling of user-provided data in the Service Port 7329 component. Attackers can leverage this weakness to execute malicious commands remotely, potentially compromising the integrity and confidentiality of the system.

Affected Systems and Versions

The vulnerability specifically affects Tenda AC23 routers running version 16.03.07.45_cn. Systems with this configuration are at risk of exploitation, requiring immediate attention and mitigation measures to prevent potential security breaches.

Exploitation Mechanism

By manipulating the 'v2' argument within the /bin/ate file associated with Service Port 7329, threat actors can trigger command injection attacks remotely. This exploitation vector highlights the critical nature of the vulnerability and the urgency of patching affected systems.

Mitigation and Prevention

To safeguard systems against CVE-2023-2649 and prevent unauthorized command execution, immediate actions and long-term security practices are essential.

Immediate Steps to Take

Update Tenda AC23 routers to the latest secure firmware version.
Implement strong network access controls and firewall rules to restrict unauthorized access to vulnerable components.
Monitor network traffic for any suspicious activity related to Service Port 7329.

Long-Term Security Practices

Conduct regular security assessments and vulnerability scans to identify and address potential weaknesses proactively.
Educate system administrators and users about secure configuration practices and the importance of timely software updates.
Establish incident response procedures to mitigate the impact of security breaches effectively.

Patching and Updates

Stay informed about security advisories from Tenda and promptly apply patches or security updates released to address CVE-2023-2649. Regularly check for firmware updates and security bulletins to maintain a secure network environment.