Description
A weakness has been identified in Shiguangwu sgwbox N3 2.0.25. Affected by this vulnerability is an unknown functionality of the file /usr/sbin/http_eshell_server of the component WIREDCFGGET Interface. Executing manipulation of the argument params can lead to buffer overflow. The attack may be launched remotely. The exploit has been made available to the public and could be exploited. The vendor was contacted early about this disclosure but did not respond in any way.
EPSS Score:
0%
Comprehensive Technical Analysis of EUVD-2025-203342
1. Vulnerability Assessment and Severity Evaluation
The vulnerability identified in Shiguangwu sgwbox N3 2.0.25 involves a buffer overflow in the /usr/sbin/http_eshell_server file, specifically within the WIREDCFGGET Interface. This vulnerability is severe, with a CVSS Base Score of 9.3, indicating a critical risk. The CVSS vector CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P highlights several key factors:
- Attack Vector (AV:N): The vulnerability can be exploited remotely over the network.
- Attack Complexity (AC:L): The attack is of low complexity, meaning it does not require specialized conditions or knowledge.
- Privileges Required (PR:N): No privileges are required to exploit this vulnerability.
- User Interaction (UI:N): No user interaction is needed for the exploit to succeed.
- Confidentiality (VC:H), Integrity (VI:H), and Availability (VA:H): All three CIA triad components are highly impacted.
The high severity score and the public availability of the exploit make this vulnerability particularly dangerous.
2. Potential Attack Vectors and Exploitation Methods
The primary attack vector is remote exploitation via network access. An attacker could manipulate the params argument in the WIREDCFGGET Interface to trigger a buffer overflow. This could lead to arbitrary code execution, allowing the attacker to gain control over the affected system.
Potential exploitation methods include:
- Network Scanning: Identifying vulnerable systems on the network.
- Crafted Requests: Sending specially crafted HTTP requests to the
http_eshell_serverto exploit the buffer overflow. - Payload Delivery: Executing malicious code to gain unauthorized access or disrupt services.
3. Affected Systems and Software Versions
The vulnerability specifically affects:
- Product: Shiguangwu sgwbox N3
- Version: 2.0.25
Other versions of the sgwbox N3 may also be affected, but this has not been confirmed. Organizations using this product should verify their version and apply necessary patches or mitigations.
4. Recommended Mitigation Strategies
To mitigate the risk associated with this vulnerability, the following strategies are recommended:
- Patch Management: Apply the latest patches and updates from the vendor as soon as they become available.
- Network Segmentation: Isolate vulnerable systems from critical networks to limit the potential impact of an attack.
- Intrusion Detection/Prevention Systems (IDS/IPS): Deploy IDS/IPS to monitor and block suspicious network traffic targeting the
http_eshell_server. - Access Controls: Implement strict access controls to limit exposure to the vulnerable component.
- Regular Audits: Conduct regular security audits and vulnerability assessments to identify and address potential weaknesses.
5. Impact on European Cybersecurity Landscape
The public availability of the exploit and the lack of vendor response increase the risk for organizations using the affected product. This vulnerability could be leveraged by threat actors to compromise critical infrastructure, steal sensitive data, or disrupt services. The European cybersecurity landscape may see an increase in targeted attacks against organizations using Shiguangwu sgwbox N3, particularly in sectors reliant on network-attached storage (NAS) solutions.
6. Technical Details for Security Professionals
For security professionals, the following technical details are crucial:
- Vulnerable Component:
/usr/sbin/http_eshell_server - Affected Interface: WIREDCFGGET Interface
- Exploit Method: Manipulation of the
paramsargument leading to buffer overflow - Exploit Availability: Publicly available
- Detection: Monitor network traffic for unusual patterns targeting the
http_eshell_server. Use tools like Snort or Suricata to create custom rules for detecting exploit attempts. - Response: Implement incident response plans to quickly identify and mitigate any successful exploitation attempts. Ensure backups are in place to restore affected systems.
Conclusion
The vulnerability in Shiguangwu sgwbox N3 2.0.25 is critical and requires immediate attention. Organizations should prioritize patching and implementing robust mitigation strategies to protect against potential attacks. The European cybersecurity community should remain vigilant and share threat intelligence to collectively address this vulnerability.
References
Aliases
- CVE-2025-14708