QwikSec

Security Database

CVE

CWE

Training

CVE-2025-7913

Published: Jul 20, 2025

Modified: Jul 21, 2025

PUBLISHED

CVSS v3.1

8.8

HIGH

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.

Vendor	Product	Versions
TOTOLINK	T6	affected `4.1.5cu.748_B20211015`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

VDB-317028 | TOTOLINK T6 MQTT Service updateWifiInfo buffer overflow

vdb-entry

technical-description

VDB-317028 | CTI Indicators (IOB, IOC, IOA)

signature

permissions-required

Submit #618656 | TOTOLINK T6 V4.1.5cu.748_B20211015 Buffer Overflow

third-party-advisory

https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/7.md

related

https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/7.md#poc

exploit

https://www.totolink.net/

product

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.