Skip to content
CVE PROGRAM SOURCE RECORD9.3 Critical

CVE-2026-87121

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

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

lwIP TCP/IP Stack MQTT

Default version status: unaffected

  • 2.0.1 to ≤ 2.2.1affected

References