CVE-2025-7913 – TOTOLINK T6 MQTT Service Buffer Overflow Vulnerability

The following table lists the changes that have been made to the
CVE-2025-7913 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Jul. 21, 2025

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V2 (AV:N/AC:L/Au:S/C:C/I:C/A:C)
    Added CWE CWE-119
    Added CWE CWE-120
    Added Reference https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/7.md
    Added Reference https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/7.md#poc
    Added Reference https://vuldb.com/?ctiid.317028
    Added Reference https://vuldb.com/?id.317028
    Added Reference https://vuldb.com/?submit.618656
    Added Reference https://www.totolink.net/
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