CVE-2025-7837 Information

Jul 20, 2025 cve

Description

A vulnerability was found in TOTOLINK T6 4.1.5cu.748_B20211015 and classified as critical. Affected by this issue is the function recvSlaveStaInfo of the component MQTT Service. The manipulation of the argument dest leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/4.md https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/4.md#poc https://vuldb.com/?ctiid.316940 https://vuldb.com/?id.316940 https://vuldb.com/?submit.617572 https://www.totolink.net/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8

CNNVD-202507-2521 (Published: 2025-07-19)

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