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CVE-2023-33673 : Security Advisory and Response

Discover the details of CVE-2023-33673, a stack overflow vulnerability in Tenda AC8V4.0-V16.03.34.06, allowing potential code execution. Learn about impacts, affected systems, and mitigation steps.

Tenda AC8V4.0-V16.03.34.06 was discovered to contain a stack overflow vulnerability via the firewallEn parameter in the formSetFirewallCfg function.

Understanding CVE-2023-33673

This article provides insights into the CVE-2023-33673 vulnerability affecting Tenda AC8V4.0-V16.03.34.06.

What is CVE-2023-33673?

CVE-2023-33673 is a stack overflow vulnerability found in Tenda AC8V4.0-V16.03.34.06, specifically through the firewallEn parameter in the formSetFirewallCfg function.

The Impact of CVE-2023-33673

This vulnerability allows attackers to potentially execute arbitrary code or disrupt the normal operation of the affected device, posing a significant security risk.

Technical Details of CVE-2023-33673

Learn more about the technical aspects of CVE-2023-33673.

Vulnerability Description

The vulnerability occurs due to inadequate input validation, leading to a stack overflow condition that could be exploited for malicious purposes.

Affected Systems and Versions

Tenda AC8V4.0-V16.03.34.06 is confirmed to be affected by this vulnerability, potentially impacting devices running this specific version.

Exploitation Mechanism

Attackers can leverage the firewallEn parameter in the formSetFirewallCfg function to trigger the stack overflow and execute unauthorized code.

Mitigation and Prevention

Discover how to mitigate the risks associated with CVE-2023-33673.

Immediate Steps to Take

Users should consider implementing network-level protections and access controls to limit external exposure until a patch is available.

Long-Term Security Practices

Regularly update firmware, maintain strong network security measures, and conduct security assessments to identify and address vulnerabilities promptly.

Patching and Updates

Stay informed about security advisories from Tenda and apply patches or updates once they are released.

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