CVE-2021-20155 : What You Need to Know
Uncover the details of CVE-2021-20155 affecting Trendnet AC2600 TEW-827DRU routers. Learn about the impact, technical description, affected systems, exploitation, mitigation, and prevention.
This CVE involves Trendnet AC2600 TEW-827DRU version 2.08B01, which utilizes hardcoded credentials for device configuration backup and restore via the management web interface. The hardcoded password is "12345678".
Understanding CVE-2021-20155
This section will cover the details regarding the vulnerability, its impact, technical description, affected systems, exploitation mechanism, mitigation, and prevention.
What is CVE-2021-20155?
CVE-2021-20155 pertains to Trendnet AC2600 TEW-827DRU routers using version 2.08B01 with hardcoded credentials for configuration management, allowing unauthorized access.
The Impact of CVE-2021-20155
This vulnerability enables threat actors to retrieve configurations using a preset password, potentially leading to unauthorized access and control over affected devices.
Technical Details of CVE-2021-20155
Let's delve into the specifics of the vulnerability, including its description, affected systems, versions, and exploitation methods.
Vulnerability Description
The flaw lies in the hardcoded password "12345678" utilized for device configuration backup and restoration.
Affected Systems and Versions
Trendnet AC2600 TEW-827DRU routers running version 2.08B01 are impacted by this vulnerability due to the hardcoded credentials issue.
Exploitation Mechanism
Malicious actors can exploit this vulnerability to gain unauthorized access to device configurations by using the hardcoded password.
Mitigation and Prevention
Discover the necessary steps to mitigate the risks posed by CVE-2021-20155 and prevent potential security breaches.
Immediate Steps to Take
Users should immediately change the default credentials to strong, unique passwords to prevent unauthorized access to device configurations.
Long-Term Security Practices
Enforce regular password updates, implement network segmentation, and monitor device access to enhance overall security posture.
Patching and Updates
Keep devices up to date with the latest firmware releases provided by Trendnet to address and remediate the hardcoded credentials vulnerability.