CVE-2025-2732

Remediation/Mitigation Strategy for CVE-2025-2732

This document outlines the remediation and mitigation strategies for CVE-2025-2732, a critical command injection vulnerability in H3C Magic devices.

1. Vulnerability Description

  • Vulnerability: Command Injection
  • Affected Product: H3C Magic NX15, Magic NX30 Pro, Magic NX400, Magic R3010 and Magic BE18000 up to V100R014
  • Affected Component: HTTP POST Request Handler at /api/wizard/getWifiNeighbour
  • Description: The vulnerability allows remote attackers to inject and execute arbitrary commands on the affected device via manipulation of the /api/wizard/getWifiNeighbour endpoint.

2. Severity

  • Severity: Critical
  • CVSS Score: 9.0 (Based on the information provided. The specific CVSS vector is not given, but is likely close to AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H based on the description).

3. Known Exploit

  • Exploit Status: Publicly disclosed and available. This means attackers have access to the exploit and can use it.

4. Remediation Strategy

Given the critical severity and publicly available exploit, immediate action is required.

  • Immediate Actions (Short-Term Mitigation):

    • Isolate Affected Devices (Network Segmentation): If possible, isolate the affected H3C Magic devices from the main network to limit the potential impact of a successful attack. Place them behind a firewall with strict access controls.
    • Monitor Network Traffic: Implement intrusion detection/prevention systems (IDS/IPS) and network monitoring tools to detect and block suspicious activity targeting the vulnerable endpoint (/api/wizard/getWifiNeighbour). Look for unusual HTTP POST requests or shell commands in the traffic.
    • Disable Remote Access (If Possible): If remote access to the device is not essential, disable it to reduce the attack surface.
    • Web Application Firewall (WAF) Rule: If using a WAF, implement rules to detect and block command injection attempts targeting /api/wizard/getWifiNeighbour. This would involve pattern matching for common command injection payloads.

  • Long-Term Remediation:

    • Firmware Update: The most important step is to update the firmware to a patched version. Contact H3C or an authorized distributor for a firmware update that addresses CVE-2025-2732. If no patch exists, escalate the issue with H3C support and request one urgently. Given the lack of vendor response, continue to escalate until action is taken.
    • Vendor Collaboration (Escalation): Continue to attempt communication with H3C, emphasizing the critical nature of the vulnerability and the availability of a public exploit. Document all attempts at communication. Consider contacting cybersecurity reporting organizations to highlight the unresponsive vendor.
    • Device Replacement (Worst Case): If H3C fails to provide a patch within a reasonable timeframe, consider replacing the affected devices with alternative products from a more responsive vendor. The risk of exploitation is too high to leave vulnerable devices in operation.
    • Vulnerability Management: Implement a comprehensive vulnerability management program, including regular scanning of devices for known vulnerabilities and prompt patching when updates are available.

5. Mitigation Strategy (If Patch is Unavailable)

If a patch from H3C is unavailable in the short term, the following mitigation strategies should be employed in addition to the short-term mitigation steps above:

  • Input Validation: Implement strict input validation on the device’s web interface, particularly for any parameters passed to the /api/wizard/getWifiNeighbour endpoint (if accessible). Blacklist dangerous characters and command injection keywords.
  • Principle of Least Privilege: Ensure that the user account under which the HTTP server is running has the minimum necessary privileges to perform its functions. This will limit the impact of a successful command injection attack.
  • Rate Limiting: Implement rate limiting on the /api/wizard/getWifiNeighbour endpoint to prevent attackers from rapidly trying different injection payloads.
  • Monitor Logs: Regularly review device logs for suspicious activity, such as failed login attempts, unusual commands, or unauthorized access.

6. Verification

After applying the remediation or mitigation strategies, verify their effectiveness by:

  • Vulnerability Scanning: Run vulnerability scans to confirm that the vulnerability is no longer detectable.
  • Penetration Testing: Conduct penetration testing to simulate a real-world attack and verify that the mitigation measures are effective.
  • Log Analysis: Monitor device logs to ensure that no further exploitation attempts are being made.

7. Communication

  • Internal Communication: Inform all relevant stakeholders (IT staff, network administrators, security team) about the vulnerability and the remediation/mitigation plan.
  • External Communication: Consider informing users of the device of the vulnerability and the actions they should take, especially if they are directly exposed to the internet.

8. Disclaimer

This remediation/mitigation strategy is based on the information provided and general security best practices. The effectiveness of these measures may vary depending on the specific environment and configuration. It is crucial to adapt the strategy to your specific circumstances and continuously monitor for new information or vulnerabilities.

Assigner

Date

  • Published Date: 2025-03-25 04:15:21
  • Updated Date: 2025-03-25 14:15:31

More Details

CVE-2025-2732