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CVE-2017-2894
CRITICAL
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.
Published: Nov 7, 2017
Modified: Jun 17, 2026
CWE-787
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products (1)
| Vendor | Product | Version |
|---|---|---|
| cesanta | mongoose | 6.8 |
GitHub Security Advisory GHSA-gm65-9xpq-9g64
An exploitable stack buffer overflow vulnerability exists in the MQTT packet parsing...
References (2)
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0401 Exploit, Technical Description, Third Party Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0401 Exploit, Technical Description, Third Party Advisory
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
31.05%
Top 2% most likely to be exploited
Threat Score
48.5 / 100
Data Sources
NVD
EPSS
GitHub