PT-2022-15845 · Tcl · Tcl Linkhub Mesh Wi-Fi

Carl Hurd · Published 2022-08-05 · Updated 2022-08-08 · CVE-2022-23103

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 stack-based buffer overflow issue exists in the confsrv confctl set app language 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, as a temporary workaround, consider disabling the confctl set app language functionality until a patch is available. Restrict access to the confsrv to minimize the risk of exploitation. Avoid using the confsrv functionality in the affected device until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Stack Overflow

Weakness Enumeration

CWE-787

CWE-121

Related Identifiers

CVE-2022-23103

Affected Products

Tcl Linkhub Mesh Wi-Fi

References · 4

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2022-1462 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-23103 · Security Note
• https://osv.dev/vulnerability/CVE-2022-23103 · Vendor Advisory
• https://t.me/cibsecurity/47666 · Telegram Post