TOTOLINK T6 MQTT Service updateWifiInfo buffer overflow

CVE Details

Basic Information

Title TOTOLINK T6 MQTT Service updateWifiInfo buffer overflow
Type cve
Published 2025-07-20T23:32:09.106Z
Modified 2025-07-20T23:32:09.106Z

Product Information

Vendor TOTOLINK
Product T6
Version 4.1.5cu.748_B20211015

CVSS Information

Base Score 8.7 (HIGH)
Attack Vector CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

AI Analysis

AI Description A critical buffer overflow vulnerability in the TOTOLINK T6 router’s MQTT service allows remote attackers to execute arbitrary code, potentially leading to full system compromise.
AI Severity High
AI Vendor TOTOLINK
AI Product TOTOLINK T6
AI Version 4.1.5cu.748_B20211015

Affected Products

  • TOTOLINK T6 4.1.5cu.748_B20211015

Additional Information

CWE List CWE-120, CWE-119
Source VulDB

Description

A vulnerability, which was classified as critical, was found in TOTOLINK T6 4.1.5cu.748_B20211015. Affected is the function updateWifiInfo of the component MQTT Service. The manipulation of the argument serverIp leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

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