Learn about CVE-2021-26797, an access control flaw in Hame SD1 Wi-Fi firmware allowing attackers to gain system admin access via Telnet. Find mitigation steps here.
This article provides an overview of CVE-2021-26797, an access control vulnerability in Hame SD1 Wi-Fi firmware that allows attackers to gain system administrator access through an open Telnet service.
Understanding CVE-2021-26797
This section delves into the specifics of the CVE-2021-26797 vulnerability.
What is CVE-2021-26797?
The CVE-2021-26797 vulnerability exists in Hame SD1 Wi-Fi firmware versions up to V.20140224154640, enabling malicious actors to obtain system administrator privileges by exploiting an open Telnet service.
The Impact of CVE-2021-26797
The impact of this vulnerability is significant as it allows unauthorized individuals to gain full control over affected systems, potentially leading to data breaches or other malicious activities.
Technical Details of CVE-2021-26797
This section provides technical insights into CVE-2021-26797.
Vulnerability Description
CVE-2021-26797 is categorized as an access control vulnerability in the Hame SD1 Wi-Fi firmware, enabling unauthorized access to the system administrator account via an open Telnet service.
Affected Systems and Versions
All Hame SD1 Wi-Fi firmware versions up to V.20140224154640 are vulnerable to CVE-2021-26797, putting these systems at risk of exploitation.
Exploitation Mechanism
Attackers exploit the open Telnet service in Hame SD1 Wi-Fi firmware to escalate privileges and gain unauthorized access to the system administrator account.
Mitigation and Prevention
This section offers guidance on mitigating and preventing the risks associated with CVE-2021-26797.
Immediate Steps to Take
Users and administrators are advised to restrict access to the Telnet service, apply vendor-supplied patches, and monitor for any unauthorized access attempts.
Long-Term Security Practices
Implementing network segmentation, using strong passwords, and regularly updating firmware can help prevent similar vulnerabilities in the future.
Patching and Updates
It is crucial to stay informed about security updates from Hame or relevant vendors and promptly apply patches to address CVE-2021-26797 and enhance overall system security.