CVE-2022-36616 Explained : Impact and Mitigation
Discover how CVE-2022-36616 exposes TOTOLINK A810R V4.1.2cu.5182_B20201026 and V5.9c.4050_B20190424 routers to unauthorized access with a hardcoded root password. Learn about the impact, technical details, and mitigation steps.
TOTOLINK A810R devices V4.1.2cu.5182_B20201026 and V5.9c.4050_B20190424 have been found to contain a hardcoded password for root at /etc/shadow.sample.
Understanding CVE-2022-36616
This CVE identifies a security vulnerability in TOTOLINK A810R routers that exposes a hardcoded root password, making them susceptible to unauthorized access.
What is CVE-2022-36616?
The CVE-2022-36616 vulnerability involves the presence of a hardcoded password for the root account in the configuration file of TOTOLINK A810R routers.
The Impact of CVE-2022-36616
The hardcoded password issue in TOTOLINK A810R routers can lead to unauthorized users gaining access to the device, compromising the security and privacy of the network.
Technical Details of CVE-2022-36616
This section provides a deeper look into the technical aspects of the CVE.
Vulnerability Description
The vulnerability arises from the inclusion of a hardcoded root password in the /etc/shadow.sample file of TOTOLINK A810R devices, allowing unauthorized individuals to access the router with elevated privileges.
Affected Systems and Versions
TOTOLINK A810R routers running V4.1.2cu.5182_B20201026 and V5.9c.4050_B20190424 versions are affected by this security flaw.
Exploitation Mechanism
Attackers can exploit this vulnerability by leveraging the hardcoded root password to gain unauthorized access to the TOTOLINK A810R router, potentially leading to further network compromise.
Mitigation and Prevention
Understanding how to mitigate the CVE and prevent future occurrences is crucial for maintaining network security.
Immediate Steps to Take
Users should immediately change the root password of their TOTOLINK A810R routers to a strong, unique password to prevent unauthorized access.
Long-Term Security Practices
Regularly updating router firmware, implementing network segmentation, and monitoring for any unauthorized access attempts are essential long-term security practices.
Patching and Updates
Vendor-supplied patches or firmware updates should be promptly applied to address the hardcoded password issue in TOTOLINK A810R routers.