CVE-2020-12266 Explained : Impact and Mitigation

An issue was discovered where multiple externally accessible pages do not require authentication, exposing sensitive system information. This vulnerability affects various Wavlink and Jetstream devices.

Understanding CVE-2020-12266

This CVE identifies a security flaw in devices that allow unauthorized access to critical system data without authentication.

What is CVE-2020-12266?

The vulnerability enables external access to pages containing confidential system details without the need for authentication, potentially leading to unauthorized data exposure.

The Impact of CVE-2020-12266

The vulnerability poses a significant risk as it allows attackers to access sensitive information, including device IP addresses, MAC addresses, firmware versions, and network configurations.

Technical Details of CVE-2020-12266

This section provides in-depth technical insights into the vulnerability.

Vulnerability Description

The flaw allows unrestricted access to system information stored on external pages without authentication, exposing critical data to potential attackers.

Affected Systems and Versions

Devices affected by this vulnerability include various Wavlink and Jetstream models such as WN530HG4, WN575A3, WN579G3, WN531G3, WN533A8, WN531A6, WN551K1, WN535G3, WN530H4, WN57X93, WN572HG3, WN578A2, WN579G3, WN579X3, and Jetstream AC3000/ERAC3000.

Exploitation Mechanism

Attackers can exploit this vulnerability by accessing specific pages named live_(string).shtml externally, bypassing authentication requirements to retrieve sensitive system data.

Mitigation and Prevention

Protecting systems from CVE-2020-12266 requires immediate actions and long-term security measures.

Immediate Steps to Take

Disable external access to sensitive system pages without proper authentication.
Implement access controls to restrict unauthorized entry to critical system information.
Regularly monitor and audit system access logs for any suspicious activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify vulnerabilities proactively.
Keep devices up to date with the latest firmware and security patches to mitigate potential risks.

Patching and Updates

Apply patches and updates provided by the device manufacturers to address the vulnerability and enhance system security.