PT-2022-4670 · Tcl · Tcl Linkhub Mesh Wi-Fi

Carl Hurd · Published 2022-08-05 · Updated 2022-08-09 · CVE-2022-24026

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 can be triggered by a specially-crafted configuration value, leading to a buffer overflow. An attacker can modify a configuration value to exploit this vulnerability, potentially causing a denial of service. The vulnerability is related to the handling of the telnet ate monitor binary.

Recommendations For TCL LinkHub Mesh Wi-Fi MS1G 00 01.00 14, consider disabling the GetValue functionality until a patch is available to prevent exploitation. Restrict access to the telnet ate monitor binary to minimize the risk of triggering the buffer overflow. Avoid using specially-crafted configuration values that could lead to the buffer overflow. 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:2022-05557

CVE-2022-24026

Affected Products

Tcl Linkhub Mesh Wi-Fi

References · 9

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2022-1463 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-24026 · Security Note
• https://bdu.fstec.ru/vul/2022-05557 · Security Note
• https://osv.dev/vulnerability/CVE-2022-24026 · Vendor Advisory
• https://vuldb.com/ru/?id.205780 · Note
• https://cybersecurity-help.cz/vdb/SB2022080313 · Note
• https://t.me/cibsecurity/47680 · Telegram Post
• https://t.me/cvenotify/34471 · Telegram Post
• https://tcl.com/us/en/products/connected-home/linkhub/linkhub-mesh-wifi-system-3-pack · Note