datAInsights CVE Current

CVE-2026-87121 — 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.

Published: 2026-09-22 · CVSS: 9.3 · CVSS 4.0

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.

Original CVE JSON · STIX 2.1

Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7