CVE-2023-27020 : What You Need to Know

This CVE was published on April 7, 2023, and involves a vulnerability found in the Tenda AC10 US_AC10V4.0si_V16.03.10.13_cn container. The vulnerability allows attackers to potentially trigger a Denial of Service (DoS) attack or execute arbitrary code by exploiting a stack overflow in the saveParentControlInfo function.

Understanding CVE-2023-27020

This section will provide an insight into the nature of CVE-2023-27020 and its impact on affected systems.

What is CVE-2023-27020?

CVE-2023-27020 is a security vulnerability identified in the Tenda AC10 US_AC10V4.0si_V16.03.10.13_cn container, enabling threat actors to exploit a stack overflow through the saveParentControlInfo function. This exploitation can lead to a Denial of Service (DoS) attack or unauthorized code execution by leveraging a specifically crafted payload.

The Impact of CVE-2023-27020

The impact of CVE-2023-27020 is significant as it opens the door for potential attackers to disrupt the normal operation of the affected system through a DoS attack or gain unauthorized access by running arbitrary code, posing a severe threat to the security and functionality of the targeted system.

Technical Details of CVE-2023-27020

Delve deeper into the technical aspects of CVE-2023-27020 to understand the vulnerability, affected systems, and how it can be exploited.

Vulnerability Description

The vulnerability in Tenda AC10 US_AC10V4.0si_V16.03.10.13_cn allows for a stack overflow by exploiting the saveParentControlInfo function, creating an avenue for attackers to disrupt the system's operation or execute malicious code.

Affected Systems and Versions

The vulnerability impacts the Tenda AC10 US_AC10V4.0si_V16.03.10.13_cn container. Specific versions and details about the affected systems are currently not available.

Exploitation Mechanism

By crafting a malicious payload to trigger a stack overflow via the saveParentControlInfo function in Tenda AC10 US_AC10V4.0si_V16.03.10.13_cn, threat actors can potentially carry out a Denial of Service attack or execute arbitrary code within the system.

Mitigation and Prevention

Implementing measures to address and mitigate CVE-2023-27020 is crucial to safeguard systems against potential exploitation.

Immediate Steps to Take

Organizations should consider implementing network-level security controls and monitoring to detect any suspicious activity related to the vulnerability.
It is advised to restrict network access to vulnerable systems and apply relevant security patches or updates as soon as they become available.

Long-Term Security Practices

Regular security assessments and penetration testing can help identify and address vulnerabilities proactively.
Enforcing robust access controls, following the principle of least privilege, and conducting security awareness training can enhance overall cybersecurity posture.

Patching and Updates

Stay informed about security advisories and updates from Tenda regarding CVE-2023-27020.
Timely apply recommended patches and firmware updates to mitigate the risk of exploitation and enhance the security of the affected systems.