EUVD-2025-202407

Comprehensive Technical Analysis of EUVD-2025-202407

1. Vulnerability Assessment and Severity Evaluation

Vulnerability Description: The vulnerability EUVD-2025-202407 pertains to a predictable default Wi-Fi password in the Access Point functionality of EZCast Pro II version 1.17478.146. This flaw allows attackers within Wi-Fi range to calculate the default password using observable device identifiers, thereby gaining unauthorized access to the dongle.

Severity Evaluation: The CVSS (Common Vulnerability Scoring System) base score of 9.3 indicates a critical vulnerability. The vector string CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:H/SA:N/AU:Y/RE:L breaks down as follows:

• Attack Vector (AV): Adjacent (A) - The attacker must be within Wi-Fi range.
• Attack Complexity (AC): Low (L) - The attack requires minimal skill.
• Authentication (AU): Yes (Y) - Authentication is required, but it can be bypassed by calculating the default password.
• Confidentiality Impact (VC): High (H) - Unauthorized access to sensitive information.
• Integrity Impact (VI): High (H) - Potential for data tampering.
• Availability Impact (VA): None (N) - No direct impact on system availability.
• Scope (SC): None (N) - The vulnerability does not change the security scope.
• User Interaction (UI): None (N) - No user interaction is required.
• Privileges Required (PR): None (N) - No special privileges are needed to exploit the vulnerability.
• Remediation Level (RE): Low (L) - The vulnerability is relatively easy to fix.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Wi-Fi Range Attack: An attacker within the Wi-Fi range can capture the device identifiers and calculate the default password.
• Man-in-the-Middle (MitM) Attack: An attacker could intercept communications to capture device identifiers and then calculate the password.

Exploitation Methods:

• Password Calculation: Using observable device identifiers, an attacker can derive the default Wi-Fi password.
• Unauthorized Access: Once the password is obtained, the attacker can gain access to the EZCast Pro II dongle, potentially leading to data theft or manipulation.

3. Affected Systems and Software Versions

Affected Systems:

• EZCast Pro II dongles running firmware version 1.17478.146.

Software Versions:

• EZCast Pro II version 1.17478.146.

4. Recommended Mitigation Strategies

Immediate Mitigation:

• Change Default Password: Users should immediately change the default Wi-Fi password to a strong, unique password.
• Firmware Update: Apply any available firmware updates from EZCast that address this vulnerability.
• Network Segmentation: Isolate the EZCast Pro II dongle on a separate network segment to limit exposure.

Long-Term Mitigation:

• Regular Security Audits: Conduct regular security audits to identify and mitigate similar vulnerabilities.
• User Education: Educate users on the importance of changing default passwords and maintaining strong password hygiene.

5. Impact on European Cybersecurity Landscape

Impact Analysis:

• Widespread Use: Given the widespread use of EZCast Pro II dongles in both personal and professional settings, this vulnerability poses a significant risk to data security and privacy.
• Regulatory Compliance: Organizations must ensure compliance with GDPR and other relevant regulations by addressing this vulnerability promptly.
• Reputation Risk: Companies using affected devices may face reputational damage if a breach occurs due to this vulnerability.

6. Technical Details for Security Professionals

Technical Analysis:

• Device Identifiers: The vulnerability exploits observable device identifiers, which are typically MAC addresses or other unique identifiers broadcasted by the device.
• Password Algorithm: The default password is likely generated using a predictable algorithm based on these identifiers.
• Detection: Security professionals can detect potential exploitation by monitoring for unusual Wi-Fi activity or unauthorized access attempts.
• Response: Implement intrusion detection systems (IDS) and intrusion prevention systems (IPS) to monitor and respond to suspicious activities.

Recommendations:

• Incident Response Plan: Develop and maintain an incident response plan specific to IoT devices.
• Patch Management: Ensure a robust patch management process to apply updates promptly.
• Continuous Monitoring: Implement continuous monitoring to detect and respond to potential threats in real-time.

By addressing this vulnerability promptly and comprehensively, organizations can mitigate the risk of unauthorized access and data breaches, thereby maintaining the integrity and security of their networks.