PT-2022-14920 · Tcl · Tcl Linkhub Mesh Wi-Fi

Carl Hurd · Published 2022-08-05 · Updated 2022-08-08 · CVE-2022-21201

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions TCL LinkHub Mesh Wi-Fi MS1G 00 01.00 14

Description A stack-based buffer overflow issue exists in the ucloud add node new functionality. This can be triggered by a specially-crafted network packet, leading to a stack-based buffer overflow. An attacker can exploit this by sending a malicious packet.

Recommendations For TCL LinkHub Mesh Wi-Fi MS1G 00 01.00 14, consider disabling the ucloud add node new functionality until a patch is available to prevent exploitation.

Exploit

Fix

Memory Corruption

Stack Overflow

Weakness Enumeration

CWE-787

CWE-121

Related Identifiers

CVE-2022-21201

Affected Products

Tcl Linkhub Mesh Wi-Fi

References · 4

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2022-1456 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-21201 · Security Note
• https://osv.dev/vulnerability/CVE-2022-21201 · Vendor Advisory
• https://t.me/cibsecurity/47667 · Telegram Post