CRITICAL

CVE-2022-21178

CVSS v3

9.8

CRITICAL

EPSS Score

3.7 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2022-21178 yet.

Full record on NVD

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.

Technical details

Published: 2022-08-05

Frequently asked questions

What is CVE-2022-21178?

Is CVE-2022-21178 actively exploited?

Active exploitation of CVE-2022-21178 has not been confirmed. Its EPSS score was 3.7% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

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

CVE-2022-21178 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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