EUVD-2025-11477

Comprehensive Technical Analysis of EUVD-2025-11477

1. Vulnerability Assessment and Severity Evaluation

The EUVD entry EUVD-2025-11477 describes a critical buffer overflow vulnerability in the ALFA WiFi CampPro router, specifically in the ALFA_CAMPRO-co-2.29 firmware version. This vulnerability allows a remote attacker to execute arbitrary code via the hiddenIndex parameter in the StorageEditUser function. The CVSS (Common Vulnerability Scoring System) base score of 9.8 indicates a highly severe vulnerability. The CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H breaks down as follows:

• AV:N (Attack Vector: Network): The vulnerability is exploitable over the network.
• AC:L (Attack Complexity: Low): The attack requires minimal skill or resources.
• PR:N (Privileges Required: None): No privileges are required to exploit the vulnerability.
• UI:N (User Interaction: None): No user interaction is required.
• S:U (Scope: Unchanged): The vulnerability does not change the security scope.
• C:H (Confidentiality: High): The vulnerability has a high impact on confidentiality.
• I:H (Integrity: High): The vulnerability has a high impact on integrity.
• A:H (Availability: High): The vulnerability has a high impact on availability.

2. Potential Attack Vectors and Exploitation Methods

The primary attack vector is through network-based exploitation. An attacker can send specially crafted packets to the StorageEditUser function, manipulating the hiddenIndex parameter to cause a buffer overflow. This overflow can lead to arbitrary code execution, allowing the attacker to:

• Gain unauthorized access to the router.
• Execute malicious code to compromise the router's functionality.
• Exfiltrate sensitive information.
• Use the router as a pivot point for further attacks within the network.

3. Affected Systems and Software Versions

The vulnerability specifically affects the ALFA WiFi CampPro router running the firmware version ALFA_CAMPRO-co-2.29. Other versions of the firmware may also be affected, but this has not been confirmed. Users and organizations utilizing this router model should be particularly vigilant.

4. Recommended Mitigation Strategies

To mitigate the risk associated with this vulnerability, the following strategies are recommended:

• Firmware Update: Immediately update the router firmware to a version that addresses this vulnerability. If a patch is not available, consider using an alternative router model.
• Network Segmentation: Isolate the router on a separate network segment to limit the potential impact of an exploit.
• Firewall Rules: Implement strict firewall rules to restrict access to the router's management interface.
• Intrusion Detection Systems (IDS): Deploy IDS to monitor for suspicious network activity targeting the router.
• Regular Audits: Conduct regular security audits and vulnerability assessments to identify and address potential security gaps.

5. Impact on European Cybersecurity Landscape

The vulnerability poses a significant risk to European cybersecurity, particularly for organizations and individuals relying on the ALFA WiFi CampPro router. Given the router's potential use in both home and enterprise environments, the impact could be widespread. Successful exploitation could lead to data breaches, network compromises, and potential disruptions in critical infrastructure if the router is used in such settings.

6. Technical Details for Security Professionals

Vulnerability Details:

• Function: StorageEditUser
• Parameter: hiddenIndex
• Exploit Method: Buffer overflow via crafted packets

Detection and Response:

• Log Analysis: Monitor router logs for unusual activity, particularly around the StorageEditUser function.
• Traffic Analysis: Use network traffic analysis tools to detect anomalous patterns that may indicate an exploit attempt.
• Incident Response: Have an incident response plan in place to quickly address any detected exploitation attempts.

References:

• NVD Entry
• GitHub Gist
• GitHub Repository

By following these recommendations and staying informed about the latest security updates, organizations can significantly reduce the risk posed by this vulnerability.