What is CVE-2022-21178?

CVE-2022-21178 is a critical-severity vulnerability in Tcl Linkhub Mesh Wifi, classified under OS Command Injection. CVSS score: 9.8/10. Published 2022-08-05.

How severe is CVE-2022-21178?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Tcl Linkhub Mesh Wifi

CVE-2022-21178

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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.036 (88.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Tcl Linkhub Mesh Wifi — versions MS1G_00_01.00_14
Tcl Linkhub_mesh_wifi_ac1200 — versions ms1g_00_01.00_14

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2022-21178?: CVE-2022-21178 is a critical-severity vulnerability in Tcl Linkhub Mesh Wifi, classified under OS Command Injection. CVSS score: 9.8/10. Published 2022-08-05.
How severe is CVE-2022-21178?: Critical severity. CVSS v3 base score is 9.8 out of 10.