CVE-2022-21201

Name: CVE-2022-21201
Creator: NVD / NIST
Published: 2022-08-05T22:15:09.13+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.84%

Last modified Jun 17, 2026

CVE-2022-21201 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. EPSS estimates a 0.84% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.84%

53.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Tcl	Linkhub Mesh Wifi Ac1200	ms1g_00_01.00_14

References

https://talosintelligence.com/vulnerability_reports/TALOS-2022-1456Exploit, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2022-1456Exploit, Third Party Advisory

Timeline

Published: Aug 5, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-21201?

How severe is CVE-2022-21201?

CVE-2022-21201 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.84% probability of exploitation in the next 30 days.

How do I fix CVE-2022-21201?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-21201?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST