CVE-2023-41557 : Vulnerability Insights and Analysis

A stack overflow vulnerability has been discovered in Tenda AC7 V1.0 V15.03.06.44 and Tenda AC5 V1.0RTL_V15.03.06.28, allowing attackers to exploit through parameter entrys and mitInterface.

Understanding CVE-2023-41557

This CVE highlights a critical stack overflow vulnerability present in specific versions of Tenda AC7 and AC5 routers.

What is CVE-2023-41557?

The CVE-2023-41557 identifies a stack overflow flaw in Tenda AC7 V1.0 V15.03.06.44 and Tenda AC5 V1.0RTL_V15.03.06.28, triggered by malicious input in certain parameters and mitInterface.

The Impact of CVE-2023-41557

If exploited, this vulnerability could allow threat actors to execute arbitrary code, leading to potential system crashes, denial of service, or even full control of the affected devices.

Technical Details of CVE-2023-41557

This section delves deeper into the specifics of the vulnerability.

Vulnerability Description

The vulnerability arises due to improper handling of input parameters in Tenda routers, leading to a stack overflow condition that can be leveraged by attackers.

Affected Systems and Versions

Vendor: Tenda
Affected Products: Tenda AC7 V1.0 V15.03.06.44 and Tenda AC5 V1.0RTL_V15.03.06.28
Affected Versions: All

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting specially crafted input into parameter entrys and mitInterface at the specified URL.

Mitigation and Prevention

Protecting your systems from CVE-2023-41557 is crucial for maintaining security.

Immediate Steps to Take

Update Tenda routers to the latest firmware that contains patches addressing the stack overflow vulnerability.
Implement strong firewall rules to restrict unauthorized access to vulnerable devices.

Long-Term Security Practices

Regularly monitor vendor updates and security advisories for any new patches or fixes.
Conduct periodic security assessments to catch any vulnerabilities before they are exploited.

Patching and Updates

Stay informed about security patches released by Tenda and promptly apply them to ensure your devices are secure.