PT-2022-4674 · Tcl · Tcl Linkhub Mesh Wi-Fi

Carl Hurd · Published 2022-08-05 · Updated 2022-08-09 · CVE-2022-24014

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 Wi-Fi MS1G 00 01.00 14

Description A buffer overflow vulnerability exists in the GetValue functionality. This issue is related to the lack of size checking for input data when handling the logserver binary, which can be triggered by a specially-crafted configuration value. An attacker can exploit this vulnerability by modifying a configuration value, potentially allowing remote execution of arbitrary code.

Recommendations For TCL LinkHub Mesh Wi-Fi MS1G 00 01.00 14, consider disabling the GetValue functionality until a patch is available to prevent potential exploitation. Restrict access to the logserver binary to minimize the risk of exploitation. Avoid using specially-crafted configuration values in the affected system until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-119

CWE-120

Related Identifiers

BDU:2022-05561

CVE-2022-24014

Affected Products

Tcl Linkhub Mesh Wi-Fi

References · 7

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2022-1463 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-24014 · Security Note
• https://osv.dev/vulnerability/CVE-2022-24014 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-05561 · Security Note
• https://cybersecurity-help.cz/vdb/SB2022080313 · Note
• https://tcl.com/us/en/products/connected-home/linkhub/linkhub-mesh-wifi-system-3-pack · Note
• https://t.me/cvenotify/34338 · Telegram Post