CVE-2023-27018 : Security Advisory and Response

This CVE record pertains to a vulnerability identified as CVE-2023-27018, which was published and updated on April 7, 2023. The vulnerability was discovered in the Tenda AC10 US_AC10V4.0si_V16.03.10.13_cn, where a stack overflow was found in the sub_45EC1C function. This flaw could potentially lead to a Denial of Service (DoS) attack or allow malicious actors to execute arbitrary code by using a specially crafted payload.

Understanding CVE-2023-27018

This section delves into a deeper understanding of the CVE-2023-27018 vulnerability.

What is CVE-2023-27018?

CVE-2023-27018 is a security vulnerability found in the Tenda AC10 router model, specifically in the sub_45EC1C function. This vulnerability can be exploited by attackers to trigger a stack overflow, potentially leading to a DoS attack or unauthorized code execution on the affected device.

The Impact of CVE-2023-27018

The impact of this vulnerability is significant as it exposes affected Tenda AC10 routers to the risk of DoS attacks and potential execution of arbitrary code by malicious parties. This could result in service disruption for users or unauthorized access to sensitive information.

Technical Details of CVE-2023-27018

This section provides more technical details about CVE-2023-27018, including the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability in Tenda AC10 US_AC10V4.0si_V16.03.10.13_cn is due to a stack overflow in the sub_45EC1C function. By sending a specifically crafted payload to the affected device, attackers can exploit this flaw to cause a DoS condition or execute arbitrary code.

Affected Systems and Versions

The vulnerability affects the Tenda AC10 US_AC10V4.0si_V16.03.10.13_cn model. The specific impacted vendor, product, and versions are not applicable (n/a).

Exploitation Mechanism

The exploit for CVE-2023-27018 involves sending a malicious payload to the router, taking advantage of the stack overflow in the sub_45EC1C function. This could allow threat actors to disrupt the operations of the device or run unauthorized code.

Mitigation and Prevention

In this section, strategies to mitigate and prevent the exploitation of CVE-2023-27018 are discussed.

Immediate Steps to Take

To mitigate the risk associated with CVE-2023-27018, users of the Tenda AC10 router should consider implementing network-level security measures, such as firewall rules and intrusion detection systems, to detect and block malicious payloads targeting the identified vulnerability.

Long-Term Security Practices

Implementing regular security updates provided by the vendor, conducting security assessments and audits, and staying informed about emerging threats and vulnerabilities are crucial long-term security practices to prevent potential attacks leveraging CVE-2023-27018.

Patching and Updates

Users of the affected Tenda AC10 router model should actively monitor for security updates and patches released by the vendor to address the CVE-2023-27018 vulnerability. Promptly applying these patches can help safeguard the device against potential exploitation and ensure its secure operation.