lwIP TCP/IP Stack MQTT vulnerabilities

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Published CVEs affecting lwIP TCP/IP Stack MQTT: 1 record(s), with affected versions and fixes.

CVE-2026-87121 Critical · 9.8 CWE-787 Sep 22, 2026

Out-of-bounds write in lwIP TCP/IP Stack MQTT Client Application

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.