Is CVE-2022-21178 actively exploited?

No active exploitation of CVE-2022-21178 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-21178 be exploited remotely?

Yes. CVE-2022-21178 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-21178?

CVE-2022-21178 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2022-21178

CWE-78Published: August 5, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

An os command injection vulnerability exists in the confsrv ucloud_add_new_node functionality of TCL LinkHub Mesh Wifi MS1G_00_01.00_14. A specially-crafted network packet can lead to arbitrary command execution. An attacker can send a malicious packet to trigger this vulnerability.

NVD Source

Technical Analysis

CVE-2022-21178 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.