CVE-2017-2894

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

An exploitable stack buffer overflow vulnerability exists in the MQTT packet parsing functionality of Cesanta Mongoose 6.8. A specially crafted MQTT SUBSCRIBE packet can cause a stack buffer overflow resulting in remote code execution. An attacker needs to send a specially crafted MQTT packet over the network to trigger this vulnerability.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

No affected versions have been published.

Timeline

Published
Nov 7, 2017
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2017-2894: Critical severity, CVSS 9.8 | Vulnix