CVE-2022-25553 : Security Advisory and Response

This article provides detailed information about CVE-2022-25553, a vulnerability found in Tenda AX1806 v1.0.0.1 that can lead to a Denial of Service (DoS) attack.

Understanding CVE-2022-25553

This section delves into the impact, technical details, and mitigation strategies related to the CVE-2022-25553 vulnerability.

What is CVE-2022-25553?

CVE-2022-25553 is a stack overflow vulnerability identified in the function formSetSysToolDDNS of Tenda AX1806 v1.0.0.1. Exploiting this flaw enables attackers to trigger a DoS attack through the ddnsPwd parameter.

The Impact of CVE-2022-25553

The vulnerability allows malicious actors to disrupt services provided by Tenda AX1806 v1.0.0.1, rendering it unavailable to legitimate users. This could result in downtime and service interruptions, impacting users' productivity.

Technical Details of CVE-2022-25553

This section outlines the vulnerability description, affected systems, versions, and the exploitation mechanism.

Vulnerability Description

The stack overflow vulnerability in the formSetSysToolDDNS function of Tenda AX1806 v1.0.0.1 can be abused by attackers to execute a DoS attack by manipulating the ddnsPwd parameter.

Affected Systems and Versions

Tenda AX1806 v1.0.0.1 is confirmed to be impacted by CVE-2022-25553 due to the stack overflow vulnerability present in the formSetSysToolDDNS function.

Exploitation Mechanism

Attackers can exploit the vulnerability by sending specially crafted requests containing manipulated values for the ddnsPwd parameter, triggering a stack overflow and causing a DoS condition.

Mitigation and Prevention

This section provides strategies to mitigate the risk posed by CVE-2022-25553 and secure systems against such vulnerabilities.

Immediate Steps to Take

Users are advised to update their Tenda AX1806 v1.0.0.1 devices to a patched version or apply security measures to prevent exploitation of the vulnerability.

Long-Term Security Practices

Regularly updating and patching systems, implementing network security controls, and monitoring for suspicious activities can help enhance the overall security posture.

Patching and Updates

Vendors should release patches addressing the stack overflow vulnerability in Tenda AX1806 v1.0.0.1 promptly to safeguard users against potential DoS attacks.