Advisory Published
Updated

CVE-2021-45839

First published: Mon Apr 25 2022(Updated: )

It is possible to obtain the first administrator's hash set up on the system in Terramaster F4-210, F2-210 TOS 4.2.X (4.2.15-2107141517) as well as other information such as MAC address, internal IP address etc. by performing a request to the /module/api.php?mobile/webNasIPS endpoint.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
TerraMaster TOS=4.2.15-2107141517
Terra-master F2-210
Terra-master F4-210

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Frequently Asked Questions

  • What is the severity of CVE-2021-45839?

    CVE-2021-45839 is considered a critical vulnerability due to the possibility of exposing sensitive administrator credentials.

  • How do I fix CVE-2021-45839?

    To fix CVE-2021-45839, update the TerraMaster TOS to the latest version that addresses this vulnerability.

  • What systems are affected by CVE-2021-45839?

    CVE-2021-45839 affects the TerraMaster TOS 4.2.15-2107141517 and the associated F4-210 and F2-210 NAS devices.

  • What type of information can be obtained through CVE-2021-45839?

    Through CVE-2021-45839, an attacker can obtain the first administrator's hash, MAC address, and internal IP address.

  • What impact does CVE-2021-45839 have on security?

    CVE-2021-45839 can lead to unauthorized access and exploitation of the affected NAS systems due to credential exposure.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203