Is CVE-2021-45401 actively exploited?

No active exploitation of CVE-2021-45401 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-45401 be exploited remotely?

Yes. CVE-2021-45401 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-45401?

CVE-2021-45401 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2021-45401

CWE-77Published: February 18, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A Command injection vulnerability exists in Tenda AC10U AC1200 Smart Dual-band Wireless Router AC10U V1.0 Firmware V15.03.06.49_multi via the setUsbUnload functionality. The vulnerability is caused because the client controlled "deviceName" value is passed directly to the "doSystemCmd" function.

NVD Source

Technical Analysis

CVE-2021-45401 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), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.