CVE-2026-87121

CRITICAL9.8

Published 2026-09-22 · Source ics-cert@hq.dhs.gov

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

CWE-787

References

View on NVD

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