CVE-2021-44971 Explained : Impact and Mitigation
Learn about CVE-2021-44971 impacting multiple Tenda devices, allowing unauthorized access and remote code execution. Find mitigation steps and patches to secure Tenda devices.
Multiple Tenda devices are impacted by an authentication bypass vulnerability, potentially leading to the execution of remote code execution (RCE) attacks.
Understanding CVE-2021-44971
This CVE relates to authentication bypass vulnerabilities in Tenda devices that could empower attackers to execute RCE.
What is CVE-2021-44971?
The vulnerability allows unauthorized individuals to bypass authentication on affected Tenda devices, leading to the potential exploitation of sensitive data and enabling RCE through authenticated command injections.
The Impact of CVE-2021-44971
If exploited, this vulnerability could result in severe consequences, including unauthorized access to sensitive information, unauthorized actions on affected devices, and potential compromise of the entire system.
Technical Details of CVE-2021-44971
This section delves into the technical aspects of the vulnerability.
Vulnerability Description
The CVE concerns multiple Tenda devices susceptible to authentication bypass attacks, such as AC15V1.0 Firmware V15.03.05.20_multi and AC5V1.0 Firmware V15.03.06.48_multi, allowing attackers to bypass authentication mechanisms.
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Versions: AC15V1.0 Firmware V15.03.05.20_multi, AC5V1.0 Firmware V15.03.06.48_multi, and others
Exploitation Mechanism
Unauthorized individuals can exploit the vulnerability to obtain sensitive information and execute authenticated command injections, thereby achieving RCE on the affected devices.
Mitigation and Prevention
Efficient mitigation strategies are crucial to addressing this vulnerability.
Immediate Steps to Take
- Disable remote administration access if not essential
- Apply latest firmware updates from the official Tenda website
- Implement strong, unique passwords for device access
Long-Term Security Practices
- Regularly monitor for unauthorized access attempts
- Conduct security assessments on Tenda devices periodically
Patching and Updates
- Regularly check for firmware updates from the official Tenda website
- Apply patches promptly to mitigate the vulnerability