CVE-2026-87121

CRITICAL Status: Received

CVSS Scores

CVSS v3.x Base Score
9.8
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.

Published
September 22, 2026 8:17 PM
Last Modified
September 22, 2026 9:17 PM
Source
[email protected]

Weaknesses (CWE)

CWE-787

References

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