CVE-2022-26210 : What You Need to Know
Discover the impact of CVE-2022-26210, a command injection vulnerability in Totolink routers, allowing attackers to execute arbitrary commands. Learn about the affected systems, exploitation method, and mitigation steps.
This article provides an overview of CVE-2022-26210, a command injection vulnerability found in Totolink routers. Learn about the impact, technical details, and mitigation steps to secure affected systems.
Understanding CVE-2022-26210
CVE-2022-26210 is a critical vulnerability discovered in Totolink routers, allowing attackers to execute arbitrary commands through a crafted request.
What is CVE-2022-26210?
The vulnerability exists in Totolink A830R, A3100R, A950RG, A800R, A3000RU, and A810R routers, enabling unauthorized command execution via the FileName parameter.
The Impact of CVE-2022-26210
Exploitation of this vulnerability can lead to unauthorized access, data theft, and complete compromise of affected devices, posing a severe security risk to users and networks.
Technical Details of CVE-2022-26210
Understanding the vulnerability's description, affected systems, and the mechanism of exploitation is crucial for effective mitigation.
Vulnerability Description
The flaw resides in the setUpgradeFW function of the routers, allowing malicious actors to inject and execute arbitrary commands using a manipulated FileName parameter.
Affected Systems and Versions
Totolink A830R V5.9c.4729_B20191112, A3100R V4.1.2cu.5050_B20200504, A950RG V4.1.2cu.5161_B20200903, A800R V4.1.2cu.5137_B20200730, A3000RU V5.9c.5185_B20201128, and A810R V4.1.2cu.5182_B20201026 are confirmed to be impacted by this vulnerability.
Exploitation Mechanism
By sending a specifically crafted request to the setUpgradeFW function with a malicious FileName parameter, threat actors can trigger the execution of unauthorized commands on the affected Totolink routers.
Mitigation and Prevention
Taking immediate action and establishing long-term security measures are essential to prevent exploitation and secure vulnerable systems.
Immediate Steps to Take
Users are advised to apply security patches provided by Totolink promptly. Additionally, restrict network access to the routers and monitor for any suspicious activities.
Long-Term Security Practices
Implement network segmentation, regularly update router firmware, and employ intrusion detection systems to enhance the overall security posture.
Patching and Updates
Stay informed about security updates released by Totolink and apply patches as soon as they become available to address the CVE-2022-26210 vulnerability.