Description
FW-WGS-804HPT v1.305b241111 was discovered to contain a stack overflow via the host_ip parameter in the web_snmp_v3host_add_post function.
EPSS Score:
0%
Comprehensive Technical Analysis of EUVD-2025-15973
1. Vulnerability Assessment and Severity Evaluation
The vulnerability identified in EUVD-2025-15973 pertains to a stack overflow in the host_ip parameter within the web_snmp_v3host_add_post function of 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 privileges are required to exploit the vulnerability.
- User Interaction (UI): None (N) - No user interaction is required.
- Scope (S): Unchanged (U) - The vulnerability does not change the security scope.
- Confidentiality (C): High (H) - Complete loss of confidentiality.
- Integrity (I): High (H) - Complete loss of integrity.
- Availability (A): High (H) - Complete loss of availability.
Given these metrics, the vulnerability poses a significant risk to affected systems.
2. Potential Attack Vectors and Exploitation Methods
The stack overflow vulnerability can be exploited by sending a specially crafted host_ip parameter to the web_snmp_v3host_add_post function. This can lead to arbitrary code execution, allowing attackers to:
- Execute Remote Code: Gain control over the affected system.
- Escalate Privileges: Potentially gain higher privileges within the system.
- Data Exfiltration: Access and exfiltrate sensitive information.
- Denial of Service (DoS): Cause the system to crash or become unresponsive.
Attackers can leverage this vulnerability through network-based attacks, potentially targeting exposed SNMP services or web interfaces.
3. Affected Systems and Software Versions
The vulnerability specifically affects FW-WGS-804HPT v1.305b241111. It is crucial to identify all systems running this version of the firmware and prioritize their update or mitigation.
4. Recommended Mitigation Strategies
To mitigate the risk associated with this vulnerability, the following strategies are recommended:
- Patch Management: Apply the latest firmware updates provided by the vendor as soon as they are available.
- Network Segmentation: Isolate SNMP services and web interfaces from public networks to limit exposure.
- Access Control: Implement strict access controls and authentication mechanisms for SNMP and web interfaces.
- Monitoring and Logging: Enhance monitoring and logging to detect and respond to suspicious activities targeting SNMP services.
- Intrusion Detection/Prevention Systems (IDS/IPS): Deploy IDS/IPS to detect and block exploitation attempts.
5. Impact on European Cybersecurity Landscape
The critical nature of this vulnerability underscores the importance of robust cybersecurity measures within the European Union. Organizations must be vigilant in identifying and mitigating such vulnerabilities to protect critical infrastructure and sensitive data. The EU's cybersecurity frameworks, such as the NIS Directive and GDPR, emphasize the need for proactive security measures and incident response capabilities.
6. Technical Details for Security Professionals
For security professionals, the following technical details are pertinent:
- Vulnerability Type: Stack Overflow
- Affected Function:
web_snmp_v3host_add_post - Parameter:
host_ip - Exploitation: Crafted input to the
host_ipparameter can cause a stack overflow, leading to arbitrary code execution. - Detection: Monitor for unusual traffic patterns targeting SNMP services and web interfaces. Use tools like Snort or Suricata with custom rules to detect exploitation attempts.
- Response: Immediate patching and isolation of affected systems. Conduct a thorough security audit to ensure no other vulnerabilities are present.
Conclusion
EUVD-2025-15973 represents a critical vulnerability that requires immediate attention from cybersecurity professionals. By understanding the technical details and implementing robust mitigation strategies, organizations can protect their systems and data from potential exploitation. Continuous monitoring and adherence to best practices in cybersecurity will be essential in maintaining a secure environment.