CVE-2026-44090

Critical

Open

TLP:CLEAR

Missing authentication for MQTT Broker

NVD CVE.org

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Description

Due to missing authentication, an unauthenticated remote attacker may access the MQTT broker, which is only protected from external access by a firewall. This may lead to the device being fully compromised.

Details

CVSS Score: 9.3
EPSS Score ⓘ: 0.40%

33.2th percentile
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Confidence: 90%
Published: Jul 30, 2026
Last Modified: Jul 30, 2026

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