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CVE-2022-25461 Explained : Impact and Mitigation

Discover the details of CVE-2022-25461 affecting Tenda AC6 v15.03.05.09_multi routers, enabling remote attackers to execute arbitrary code or cause denial of service.

Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow vulnerability via the startip parameter in the SetPptpServerCfg function.

Understanding CVE-2022-25461

This CVE pertains to a vulnerability found in Tenda AC6 v15.03.05.09_multi that allows an attacker to trigger a stack overflow through a specific parameter.

What is CVE-2022-25461?

CVE-2022-25461 is a security flaw in Tenda AC6 routers that enables a stack overflow via a particular parameter in the SetPptpServerCfg function.

The Impact of CVE-2022-25461

This vulnerability could potentially lead to a remote attacker executing arbitrary code or causing a denial of service by crashing the affected device.

Technical Details of CVE-2022-25461

Here are the technical details related to CVE-2022-25461:

Vulnerability Description

The vulnerability in Tenda AC6 v15.03.05.09_multi allows an attacker to exploit a stack overflow using the startip parameter in the SetPptpServerCfg function.

Affected Systems and Versions

The specific affected version of Tenda AC6 is v15.03.05.09_multi. It is crucial for users of this version to be aware of the vulnerability and take necessary actions.

Exploitation Mechanism

Exploiting this vulnerability involves manipulating the startip parameter in the SetPptpServerCfg function, potentially leading to a stack overflow and subsequent attacks.

Mitigation and Prevention

For users and administrators concerned about CVE-2022-25461, here are some important steps to consider:

Immediate Steps to Take

        Disable remote management on the Tenda AC6 router to limit exposure to external threats.
        Regularly monitor official Tenda communications for security advisories and updates related to this CVE.

Long-Term Security Practices

        Implement network segmentation to isolate critical devices from potential attacks on the affected router.
        Enforce strong password policies and regularly update firmware to protect against known vulnerabilities.

Patching and Updates

Stay informed about official patches and updates released by Tenda to address the CVE-2022-25461 vulnerability and ensure timely application to secure the affected devices.

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