What is CVE-2022-21201?

CVE-2022-21201 is a high-severity vulnerability in Tcl Linkhub Mesh Wifi, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2022-08-05.

How severe is CVE-2022-21201?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Tcl Linkhub Mesh Wifi

CVE-2022-21201

A stack-based buffer overflow vulnerability exists in the confers ucloud_add_node_new functionality of TCL LinkHub Mesh Wi-Fi MS1G_00_01.00_14. A specially-crafted network packet can lead to stack-based buffer overflow. An attacker can send a malicious packet to trigger this vulnerability.

Vulnerability class: Buffer Overflow

Published 2022-08-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (57.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

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)

References

talosintelligence.com/vulnerability_reports/TALOS-2022-1456 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-21201?: CVE-2022-21201 is a high-severity vulnerability in Tcl Linkhub Mesh Wifi, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2022-08-05.
How severe is CVE-2022-21201?: High severity. CVSS v3 base score is 8.8 out of 10.