BaseFortify

Executive Summary

This vulnerability is in the Netcore B11 Enterprise-level full Gigabit 9-port shop wireless router version 1.3.241114.024540 and earlier. It allows a remote attacker to access sensitive information from the device.

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Detection Guidance

• Check if the router's web interface is accessible without authentication. Look for exposed endpoints like /upgrade_test_page, /ubus, or /cgi-bin/clientinfo.
• Use curl or a browser to query these endpoints: curl http://<router-ip>/upgrade_test_page, curl http://<router-ip>/ubus, curl http://<router-ip>/cgi-bin/clientinfo.
• Verify if sensitive data such as admin usernames, MAC addresses, or firmware versions are returned without authentication.

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Impact Analysis

An attacker could exploit this to steal confidential data such as network configurations, user credentials, or other sensitive information transmitted or stored by the router.

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Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, potentially violating GDPR and HIPAA compliance requirements for data protection and security.

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Mitigation Strategies

• Update the Netcore B11 router to the latest firmware version if an update is available.
• Restrict access to the router's web interface by enabling authentication and limiting access to trusted IP addresses.
• Disable unnecessary services or endpoints that expose sensitive information, such as /upgrade_test_page or /ubus.
• Monitor network traffic for unusual requests to these endpoints and block suspicious activity.

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