EUVD-2025-15976

Comprehensive Technical Analysis of EUVD-2025-15976

1. Vulnerability Assessment and Severity Evaluation

The vulnerability EUVD-2025-15976, also known as CVE-2025-44884, pertains to a stack overflow in the web_sys_infoContact_post function within FW-WGS-804HPT v1.305b241111. The CVSS (Common Vulnerability Scoring System) base score of 9.8 indicates a critical severity level. 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:

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

This high CVSS score underscores the critical nature of the vulnerability, necessitating immediate attention and mitigation.

2. Potential Attack Vectors and Exploitation Methods

The stack overflow vulnerability in the web_sys_infoContact_post function can be exploited through several methods:

• Remote Code Execution (RCE): An attacker could send specially crafted input to the web_sys_infoContact_post function, causing a stack overflow and potentially allowing for arbitrary code execution.
• Denial of Service (DoS): By exploiting the stack overflow, an attacker could crash the system, leading to a denial of service.
• Data Exfiltration: The vulnerability could be used to exfiltrate sensitive data by manipulating the stack to read memory contents.

3. Affected Systems and Software Versions

The vulnerability specifically affects FW-WGS-804HPT v1.305b241111. Organizations using this version of the software are at risk and should prioritize updating or patching their systems.

4. Recommended Mitigation Strategies

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

• Patch Management: Immediately apply any available patches or updates from the vendor.
• Network Segmentation: Isolate affected systems from critical networks to limit the potential impact of an exploit.
• Intrusion Detection Systems (IDS): Deploy IDS to monitor for suspicious activity that may indicate an attempt to exploit this vulnerability.
• Input Validation: Implement strict input validation and sanitization to prevent malicious input from reaching the vulnerable function.
• Access Controls: Restrict access to the web_sys_infoContact_post function to trusted users and systems only.

5. Impact on European Cybersecurity Landscape

The critical nature of this vulnerability poses a significant risk to European organizations, particularly those in sectors where data integrity, confidentiality, and availability are paramount, such as finance, healthcare, and government. The potential for remote code execution and data exfiltration could lead to severe breaches, financial losses, and reputational damage.

6. Technical Details for Security Professionals

• Vulnerability Type: Stack Overflow
• Affected Function: web_sys_infoContact_post
• Exploitability: High, due to low attack complexity and no required user interaction.
• Mitigation: Patching, input validation, network segmentation, and access controls.
• References:
  • NVD Detail
  • Technical Analysis

Conclusion

EUVD-2025-15976 represents a critical vulnerability that demands immediate attention from cybersecurity professionals. Organizations should prioritize patching affected systems, implementing robust security controls, and monitoring for potential exploitation attempts. The high CVSS score and the potential for severe impacts underscore the urgency of addressing this vulnerability to protect European cybersecurity interests.