CVE-2022-36479 : Exploit Details and Defense Strategies

TOTOLINK N350RT V9.3.5u.6139_B20201216 was discovered to contain a command injection vulnerability via the host_time parameter in the function NTPSyncWithHost.

Understanding CVE-2022-36479

This CVE involves a command injection vulnerability found in the TOTOLINK N350RT V9.3.5u.6139_B20201216 router.

What is CVE-2022-36479?

CVE-2022-36479 is a security vulnerability that allows attackers to inject commands via the host_time parameter, specifically within the NTPSyncWithHost function.

The Impact of CVE-2022-36479

This vulnerability could be exploited by malicious actors to execute arbitrary commands on the affected TOTOLINK N350RT V9.3.5u.6139_B20201216 router, leading to potential unauthorized access and control.

Technical Details of CVE-2022-36479

Here are some technical details regarding this CVE:

Vulnerability Description

The vulnerability lies in the handling of the host_time parameter within the NTPSyncWithHost function, enabling attackers to inject and execute commands.

Affected Systems and Versions

The TOTOLINK N350RT V9.3.5u.6139_B20201216 router is affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the host_time parameter to execute unauthorized commands on the router.

Mitigation and Prevention

To mitigate the risks associated with CVE-2022-36479, the following steps are recommended:

Immediate Steps to Take

Disable remote access to the router if not necessary
Apply vendor-supplied patches and updates promptly

Long-Term Security Practices

Regularly monitor for security advisories related to the router
Implement network segmentation to limit the impact of potential attacks

Patching and Updates

Check the vendor's official website for security patches and updates
Follow best practices for updating firmware and ensuring network security