Is CVE-2022-23919 actively exploited?

No active exploitation of CVE-2022-23919 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-23919 be exploited remotely?

Yes. CVE-2022-23919 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-23919?

CVE-2022-23919 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2022-23919

CRITICAL

CVE-2022-23919

CWE-121Published: August 5, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2022-23919 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.