CVE-2025-25220

Remediation/Mitigation Strategy for CVE-2025-25220

This document outlines the remediation and mitigation strategy for CVE-2025-25220, an OS Command Injection vulnerability found in +F FS010M devices.

1. Vulnerability Description:

  • CVE ID: CVE-2025-25220
  • Description: The vulnerability resides in +F FS010M devices with versions prior to V2.0.1_1101. It involves the improper neutralization of special elements used in an OS command, resulting in an OS Command Injection vulnerability.
  • Affected Product: +F FS010M (versions prior to V2.0.1_1101)
  • Vulnerability Type: OS Command Injection

2. Severity:

  • CVSS Score: 8.8 (High)
  • Vector: AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Explanation:
    • AV:N (Network): The vulnerability is exploitable over a network.
    • AC:L (Low): Exploitation requires low access complexity.
    • PR:L (Low): Exploitation requires low privileges (i.e., an authenticated user).
    • UI:N (None): No user interaction is required for exploitation.
    • S:U (Unchanged): The security impact is limited to the component that is vulnerable.
    • C:H (High): High impact to confidentiality; sensitive information can be accessed.
    • I:H (High): High impact to integrity; data can be modified or destroyed.
    • A:H (High): High impact to availability; the system can be made unavailable.

3. Known Exploit:

  • A remote authenticated attacker can execute arbitrary OS commands on the affected device.

4. Remediation Strategy:

  • Immediate Action: Upgrade to Version V2.0.1_1101 or Later: The primary and most effective remediation is to immediately upgrade all affected +F FS010M devices to version V2.0.1_1101 or a more recent version if available. This version contains a fix for the OS Command Injection vulnerability. Consult the vendor’s website (+F) for the latest firmware and upgrade instructions.

5. Mitigation Strategy (Until Upgrade is Possible):

If an immediate upgrade is not feasible, implement the following mitigation measures to reduce the risk of exploitation:

  • Network Segmentation:
    • Isolate the +F FS010M device on a separate network segment with strict access control rules.
    • Limit access to the device only to authorized users and systems.
  • Principle of Least Privilege:
    • Ensure that all user accounts on the device have the minimum necessary privileges.
    • Disable or remove any unnecessary user accounts.
  • Input Validation and Sanitization (If Possible to Implement):
    • If the web interface or API allows for any configuration or input, carefully review the input validation and sanitization mechanisms.
    • Implement robust input validation to prevent malicious input from being passed to OS commands. (This may require code changes and is typically not something end-users can do).
  • Web Application Firewall (WAF) (If Applicable):
    • If a WAF is deployed in front of the +F FS010M device, configure it with rules to detect and block common OS Command Injection attacks.
  • Monitor Logs:
    • Monitor the device’s logs for suspicious activity, such as unusual command executions or failed login attempts.
    • Set up alerts to notify administrators of any suspicious events.
  • Disable Unnecessary Services: Disable any unnecessary services or features on the device to reduce the attack surface.

6. Verification:

  • After upgrading or implementing mitigation measures, verify that the vulnerability is no longer present by performing penetration testing or vulnerability scanning.
  • Review the device’s logs for any remaining suspicious activity.

7. Communication:

  • Communicate the vulnerability and remediation/mitigation strategy to all affected users and administrators.
  • Provide clear instructions on how to upgrade the device or implement the mitigation measures.

8. Long-Term Prevention:

  • Establish a regular vulnerability scanning and patching program to identify and address security vulnerabilities in a timely manner.
  • Implement a secure development lifecycle (SDL) to prevent vulnerabilities from being introduced into new products.
  • Stay informed about security threats and vulnerabilities by subscribing to security advisories and newsletters.

Disclaimer: This remediation/mitigation strategy is based on the information available in the provided text. It is important to consult the vendor’s documentation and security advisories for the most up-to-date and accurate information. This information is provided as-is and does not come with any guarantees.

Assigner

Date

  • Published Date: 2025-03-18 08:26:14
  • Updated Date: 2025-03-18 09:15:14

More Details

CVE-2025-25220