PT-2022-16334 · Tcl · Tcl Linkhub Mesh Wifi Ms1G 00 01.00 14

Carl Hurd · Published 2022-08-05 · Updated 2022-08-08 · CVE-2022-23918

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/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 Wifi MS1G 00 01.00 14

Description A stack-based buffer overflow issue exists in the confsrv set mf rule functionality. This can be triggered by a specially-crafted network packet, leading to a stack-based buffer overflow. The vulnerability exploits the ethAddr field within the protobuf message to cause the buffer overflow. An attacker can send a malicious packet to trigger this issue.

Recommendations For TCL LinkHub Mesh Wifi MS1G 00 01.00 14, consider disabling the set mf rule functionality in the confsrv as a temporary workaround until a patch is available. Restrict access to the ethAddr field within the protobuf message to minimize the risk of exploitation.

Exploit

Fix

Memory Corruption

Stack Overflow

Weakness Enumeration

CWE-787

CWE-121

Related Identifiers

CVE-2022-23918

Affected Products

Tcl Linkhub Mesh Wifi Ms1G 00 01.00 14

References · 4

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2022-1455 · Exploit
• https://osv.dev/vulnerability/CVE-2022-23918 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-23918 · Security Note
• https://t.me/cibsecurity/47686 · Telegram Post