Is CVE-2021-45842 actively exploited?

No active exploitation of CVE-2021-45842 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-45842 be exploited remotely?

Yes. CVE-2021-45842 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-45842?

CVE-2021-45842 has a CVSS score of 7.5 (HIGH).

HOME VULNERABILITIESCVE-2021-45842

HIGH

CVE-2021-45842

NVD-CWE-noinfoPublished: April 25, 2022· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official Description

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

NVD Source

Technical Analysis

CVE-2021-45842 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.