CVE-2022-25546 Explained : Impact and Mitigation

Tenda AX1806 v1.0.0.1 was found to have a critical vulnerability, CVE-2022-25546, exposing it to a Denial of Service (DoS) risk through a stack overflow in the formSetSysToolDDNS function.

Understanding CVE-2022-25546

This section will delve into the details of the CVE-2022-25546 vulnerability.

What is CVE-2022-25546?

CVE-2022-25546 is a vulnerability in Tenda AX1806 v1.0.0.1 that allows threat actors to trigger a DoS attack via the ddnsUser parameter.

The Impact of CVE-2022-25546

The presence of this vulnerability can lead to service disruptions and potential downtime for users of the affected Tenda AX1806 devices.

Technical Details of CVE-2022-25546

Let's explore the technical aspects of CVE-2022-25546 in more detail.

Vulnerability Description

The stack overflow in the formSetSysToolDDNS function exposes an avenue for attackers to disrupt services through the ddnsUser parameter.

Affected Systems and Versions

Tenda AX1806 v1.0.0.1 is confirmed to be impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this flaw to overload the stack and trigger a DoS condition by manipulating the ddnsUser parameter.

Mitigation and Prevention

Discover the steps to mitigate the risks associated with CVE-2022-25546.

Immediate Steps to Take

Users are advised to implement security measures to prevent potential attacks and perform necessary updates.

Long-Term Security Practices

Establishing robust security protocols and regularly updating systems can bolster resilience against known vulnerabilities.

Patching and Updates

It is crucial for users to apply patches and updates provided by the vendor promptly to safeguard against CVE-2022-25546.