CVE-2026-87121

Unspecified · Published September 22, 2026

9.8

CVSS v3.1

CRITICAL

Description

lwIP TCP/IP Stack MQTT is vulnerable to an out-of-bounds write, which may allow an attacker to gain full code execution on the device.

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