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TI-2022-05596 Aliases CVE-2022-21201GHSA-gq4m-rjjh-jgf3

Stack-based buffer overflow in TCL LinkHub Mesh Wifi

Priority HIGH 73CWE-121Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00891 59th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TCLLinkHub Mesh WifiMS1G_00_01.00_14—No fix listedCNA
  • LinkHub Mesh Wifi VendorTCL Affected MS1G_00_01.00_14 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tcl:linkhub_mesh_wifi_ac1200:ms1g_00_01.00_14:*:*:*:*:*:*:*ms1g_00_01.00_14VulnerableTCL
cpe:2.3:h:tcl:linkhub_mesh_wifi_ac1200:-:*:*:*:*:*:*:*not specified by NVDRunning onTCL
  • cpe:2.3:o:tcl:linkhub_mesh_wifi_ac1200:ms1g_00_01.00_14:*:*:*:*:*:*:* Versions ms1g_00_01.00_14 Vulnerable ·TCL
  • cpe:2.3:h:tcl:linkhub_mesh_wifi_ac1200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TCL

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-21201
  2. 2026-10-03 Alias added: GHSA-gq4m-rjjh-jgf3

References

Exploit 1

  • TI-2022-10302 Improper access control in TCL LinkHub Mesh Wifi CVSS 3.1CRITICAL 9.8
  • TI-2022-09723 Improper access control in TCL LinkHub Mesh Wifi CVSS 3.1CRITICAL 9.8
  • TI-2022-09719 Buffer overflow in TCL LinkHub Mesh Wifi CVSS 3.1CRITICAL 9.8
  • TI-2022-09509 Stack-based buffer overflow in TCL LinkHub Mesh Wifi CVSS 3.1CRITICAL 9.8
  • TI-2022-09504 Stack-based buffer overflow in TCL LinkHub Mesh Wifi CVSS 3.1CRITICAL 9.8
  • TI-2022-07991 Buffer overflow in TCL LinkHub Mesh Wifi CVSS 3.1CRITICAL 9.8
See all 41 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences