What is CVE-2022-23919?

CVE-2022-23919 is a critical-severity vulnerability in Tcl Linkhub Mesh Wifi, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2022-08-05.

How severe is CVE-2022-23919?

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

Buffer overflow in Tcl Linkhub Mesh Wifi

CVE-2022-23919

A stack-based buffer overflow vulnerability exists in the confsrv set_mf_rule functionality of TCL LinkHub Mesh Wifi 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.This vulnerability leverages the name field within the protobuf message to cause a buffer overflow.

Vulnerability class: Buffer Overflow

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

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.

EPSS exploit prediction

EPSS: 0.013 (68.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · 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-2022-1455 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-23919?: CVE-2022-23919 is a critical-severity vulnerability in Tcl Linkhub Mesh Wifi, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2022-08-05.
How severe is CVE-2022-23919?: Critical severity. CVSS v3 base score is 9.8 out of 10.