CVE-2021-25306 Explained : Impact and Mitigation

This CVE-2021-25306 article provides insights into a buffer overflow vulnerability found in Gigaset DX600A v41.00-175 devices, allowing remote attackers to trigger a device restart by sending lengthy AT commands.

Understanding CVE-2021-25306

This section delves into the impact, technical details, and mitigation strategies related to CVE-2021-25306.

What is CVE-2021-25306?

The vulnerability lies in the AT command interface of Gigaset DX600A v41.00-175 devices, empowering remote threat actors to induce a device reboot via extended AT commands.

The Impact of CVE-2021-25306

The security flaw enables malicious entities to instigate device reboots from a remote location by exploiting the buffer overflow issue in Gigaset DX600A v41.00-175 devices.

Technical Details of CVE-2021-25306

This segment explores the vulnerability description, affected systems, versions, and the exploitation mechanism of CVE-2021-25306.

Vulnerability Description

The buffer overflow vulnerability in Gigaset DX600A v41.00-175 devices permits remote attackers to force a device reboot through the sending of relatively long AT commands.

Affected Systems and Versions

The affected system includes Gigaset DX600A v41.00-175 devices.

Exploitation Mechanism

By crafting extended AT commands, threat actors can trigger the buffer overflow, resulting in a device reboot.

Mitigation and Prevention

Discover the necessary steps to safeguard against CVE-2021-25306 and ensure long-term security practices.

Immediate Steps to Take

Immediately applying relevant security patches and updates can mitigate the risks posed by CVE-2021-25306.

Long-Term Security Practices

Implementing strong access controls, network segmentation, and frequent vulnerability assessments can enhance long-term security resilience.

Patching and Updates

Regularly monitor for security advisories from Gigaset and promptly apply recommended patches and updates to protect against CVE-2021-25306.