CVE-2020-25217 : Vulnerability Insights and Analysis

Grandstream GRP261x VoIP phone running firmware version 1.0.3.6 (Base) allows Command Injection as root in its administrative web interface.

Understanding CVE-2020-25217

Grandstream GRP261x VoIP phone is vulnerable to Command Injection due to a security flaw in its administrative web interface.

What is CVE-2020-25217?

CVE-2020-25217 is a vulnerability found in Grandstream GRP261x VoIP phones that enables attackers to execute commands as root through the device's web interface.

The Impact of CVE-2020-25217

This vulnerability could allow malicious actors to gain unauthorized access to the device, potentially leading to further exploitation or compromise of the VoIP phone.

Technical Details of CVE-2020-25217

Grandstream GRP261x VoIP phone vulnerability details.

Vulnerability Description

The vulnerability in the administrative web interface of Grandstream GRP261x VoIP phones allows for Command Injection, enabling attackers to execute commands as root.

Affected Systems and Versions

Product: Grandstream GRP261x VoIP phone
Firmware Version: 1.0.3.6 (Base)

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted commands to the affected device's web interface, potentially gaining unauthorized access.

Mitigation and Prevention

Steps to mitigate and prevent CVE-2020-25217.

Immediate Steps to Take

Update the firmware to the latest version provided by Grandstream to patch the vulnerability.
Restrict access to the administrative web interface to trusted users only.

Long-Term Security Practices

Regularly monitor and audit the device for any unauthorized access or unusual activities.
Implement network segmentation to isolate the VoIP phone from critical systems.

Patching and Updates

Ensure timely installation of security patches and firmware updates released by Grandstream to address known vulnerabilities.