CVE-2022-36553 : Security Advisory and Response

This article provides detailed information about CVE-2022-36553, a command injection vulnerability found in Hytec Inter HWL-2511-SS v1.05 and earlier versions through the /www/cgi-bin/popen.cgi component.

Understanding CVE-2022-36553

CVE-2022-36553 is a security flaw in Hytec Inter HWL-2511-SS routers that allows attackers to execute arbitrary commands through the vulnerable endpoint.

What is CVE-2022-36553?

The Hytec Inter HWL-2511-SS v1.05 and below router is plagued by a command injection vulnerability, enabling threat actors to inject and execute malicious commands via the /www/cgi-bin/popen.cgi component.

The Impact of CVE-2022-36553

This vulnerability poses a severe risk as malicious actors can exploit it to execute arbitrary commands on affected devices, potentially leading to unauthorized access, data breaches, and system compromise.

Technical Details of CVE-2022-36553

CVE ID: CVE-2022-36553 Published Date: August 29, 2022 Update Date: August 29, 2022 CVSS Score: Not available Vendor: Hytec Inter Affected Version: HWL-2511-SS v1.05 and below

Vulnerability Description

The vulnerability exists due to improper input validation in the /www/cgi-bin/popen.cgi component, allowing attackers to insert and execute malicious commands.

Affected Systems and Versions

Hytec Inter HWL-2511-SS router versions up to and including v1.05 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit the CVE-2022-36553 vulnerability by sending specially crafted commands to the vulnerable /www/cgi-bin/popen.cgi endpoint, leading to command execution on the device.

Mitigation and Prevention

It is crucial to implement immediate steps to mitigate the risks associated with CVE-2022-36553 and prevent exploitation by malicious actors.

Immediate Steps to Take

Disable remote access to the /www/cgi-bin/popen.cgi endpoint if not required.
Apply network segmentation to isolate the affected devices from untrusted networks.

Long-Term Security Practices

Regularly update firmware to the latest patched version provided by Hytec Inter.
Conduct security assessments and penetration testing to identify and address potential vulnerabilities.

Patching and Updates

Hytec Inter may release security patches or updated firmware to address CVE-2022-36553. Ensure timely application of these patches to protect the devices from exploitation.