CVE-2021-20731 Explained : Impact and Mitigation
Learn about CVE-2021-20731, a critical vulnerability in BUFFALO INC. devices allowing attackers to execute OS commands with root privileges. Find out the impact, technical details, and mitigation steps.
A vulnerability has been identified in WSR-1166DHP3 and WSR-1166DHP4 firmware versions that allow attackers to execute arbitrary OS commands with root privileges. Read on to understand the impact, technical details, and mitigation strategies.
Understanding CVE-2021-20731
This section provides insights into the nature and implications of the CVE-2021-20731 vulnerability.
What is CVE-2021-20731?
CVE-2021-20731 is a security vulnerability found in the WSR-1166DHP3 and WSR-1166DHP4 firmware versions that enables an attacker to run unauthorized OS commands as a root user through unspecified vectors.
The Impact of CVE-2021-20731
This vulnerability can lead to severe consequences as threat actors can exploit it to gain unauthorized control over affected systems, compromising their integrity and confidentiality.
Technical Details of CVE-2021-20731
Explore the specific technical aspects related to the CVE-2021-20731 vulnerability.
Vulnerability Description
The flaw in WSR-1166DHP3 and WSR-1166DHP4 firmware versions allows threat actors to execute OS commands with root privileges, posing a significant risk to the security of the devices.
Affected Systems and Versions
The impacted products include WSR-1166DHP3 and WSR-1166DHP4 devices running firmware versions Ver.1.16 and prior for WSR-1166DHP3, and Ver.1.02 and prior for WSR-1166DHP4.
Exploitation Mechanism
Attackers can exploit this vulnerability by leveraging unspecified vectors to execute malicious OS commands with root privileges, potentially leading to a complete system compromise.
Mitigation and Prevention
Learn about the steps you can take to mitigate the risks associated with CVE-2021-20731 and safeguard your systems.
Immediate Steps to Take
Users are advised to update the firmware of the affected devices to the latest patched versions provided by BUFFALO INC. for WSR-1166DHP3 and WSR-1166DHP4 to eliminate the vulnerability.
Long-Term Security Practices
Incorporate robust security measures such as network segmentation, access controls, and regular security audits to enhance the overall resilience of the infrastructure against potential threats.
Patching and Updates
Regularly monitor for security updates from the vendor and apply patches promptly to address new vulnerabilities and strengthen the security posture of the systems.