EUVD-2025-23927

Comprehensive Technical Analysis of EUVD-2025-23927

1. Vulnerability Assessment and Severity Evaluation

The vulnerability EUVD-2025-23927, also known as CVE-2025-34152, is an unauthenticated OS command injection vulnerability in the Shenzhen Aitemi M300 Wi-Fi Repeater (hardware model MT02). This vulnerability allows an attacker to inject arbitrary commands via the 'time' parameter of the '/protocol.csp?' endpoint. The input is processed by the internal date '-s' command, which does not require a reboot or disruption of the HTTP service. This makes the attack stealthy, as it does not trigger visible configuration changes.

Severity Evaluation:

• CVSS Base Score: 9.4
• CVSS Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

The high base score indicates a critical vulnerability. The attack vector (AV:A) suggests that the attacker needs to be adjacent to the network, but the low attack complexity (AC:L) and the lack of required privileges (PR:N) or user interaction (UI:N) make it highly exploitable. The impact on confidentiality, integrity, and availability is high (VC:H, VI:H, VA:H), and the scope change (SC:H) indicates that the vulnerability can affect resources beyond the initial security scope.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Network Adjacency: The attacker needs to be on the same network as the vulnerable device.
• Unauthenticated Access: The attacker does not need any credentials to exploit the vulnerability.

Exploitation Methods:

• Command Injection: The attacker can inject malicious commands through the 'time' parameter in the '/protocol.csp?' endpoint.
• Remote Code Execution: By injecting commands, the attacker can execute arbitrary code on the device, potentially leading to full system compromise.
• Persistent Access: The attacker can install backdoors or other malicious software to maintain persistent access to the device.

3. Affected Systems and Software Versions

Affected Systems:

• Shenzhen Aitemi M300 Wi-Fi Repeater (hardware model MT02)

Software Versions:

• All versions of the firmware are affected, as indicated by the ENISA ID Product version "*".

4. Recommended Mitigation Strategies

Immediate Mitigation:

• Network Segmentation: Isolate the vulnerable device from critical network segments.
• Access Control: Implement strict access controls to limit who can connect to the device.
• Monitoring: Increase monitoring of network traffic to detect any suspicious activity.

Long-Term Mitigation:

• Firmware Update: Apply any available firmware updates from the vendor that address this vulnerability.
• Patch Management: Implement a robust patch management process to ensure timely updates.
• Security Audits: Conduct regular security audits to identify and mitigate similar vulnerabilities.

5. Impact on European Cybersecurity Landscape

The vulnerability poses a significant risk to European cybersecurity, particularly in environments where Wi-Fi repeaters are commonly used, such as homes, small businesses, and public spaces. The potential for remote compromise without visible configuration changes makes it a stealthy and dangerous threat. Organizations and individuals must be vigilant in applying patches and implementing security best practices to mitigate the risk.

6. Technical Details for Security Professionals

Vulnerability Details:

• Endpoint: '/protocol.csp?'
• Parameter: 'time'
• Command Processing: The input is processed by the internal date '-s' command.

Exploitation Steps:

1. Identify the Target: Locate the vulnerable M300 Wi-Fi Repeater on the network.
2. Craft the Payload: Create a malicious payload to inject via the 'time' parameter.
3. Send the Request: Send an HTTP request to the '/protocol.csp?' endpoint with the crafted payload.
4. Execute Commands: The injected commands are executed on the device, allowing for remote code execution.

Detection and Response:

• Log Analysis: Monitor logs for unusual activity related to the '/protocol.csp?' endpoint.
• Intrusion Detection Systems (IDS): Deploy IDS to detect and alert on suspicious network traffic.
• Incident Response: Have an incident response plan in place to quickly address any detected exploitation attempts.

References:

• Chocapikk Blog Post
• AliExpress Product Page

By understanding the technical details and implementing the recommended mitigation strategies, security professionals can effectively protect against this critical vulnerability.