PT-2022-4681 · Tcl · Tcl Linkhub Mesh Wi-Fi

Carl Hurd · Published 2022-08-05 · Updated 2022-08-09 · CVE-2022-24022

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 of the TCL LinkHub Mesh Wi-Fi, related to the copying of a buffer without checking the size of the input data when processing the pann file. This vulnerability can be exploited by a remote attacker to execute arbitrary code. The issue arises when a specially-crafted configuration value leads to a buffer overflow, which can be triggered by modifying a configuration value.

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 configuration values to minimize the risk of triggering the buffer overflow. 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:2022-05568

CVE-2022-24022

Affected Products

Tcl Linkhub Mesh Wi-Fi

References · 8

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2022-1463 · Exploit
• https://osv.dev/vulnerability/CVE-2022-24022 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-24022 · Security Note
• https://bdu.fstec.ru/vul/2022-05568 · Security Note
• https://cybersecurity-help.cz/vdb/SB2022080313 · Note
• https://t.me/cibsecurity/47689 · Telegram Post
• https://t.me/cvenotify/34467 · Telegram Post
• https://tcl.com/us/en/products/connected-home/linkhub/linkhub-mesh-wifi-system-3-pack · Note