CVE-2026-44090

CRITICAL

Phoenix Contact CHARX SEC-3150 - Missing Authentication for MQTT Broker

Title source: rule

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.

References (1)

Core 1

Core References

https://www.certvde.com/en/advisories/VDE-2026-008/

Scores

CVSS v3 9.8

EPSS 0.0040

EPSS Percentile 32.9%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact total

Details

CWE

CWE-306

Status published

Products (4)

Phoenix Contact/CHARX SEC-3000 1.0.0 - 1.9.1

Phoenix Contact/CHARX SEC-3050 1.0.0 - 1.9.1

Phoenix Contact/CHARX SEC-3100 1.0.0 - 1.9.1

Phoenix Contact/CHARX SEC-3150 1.0.0 - 1.9.1

Published Jul 30, 2026

Tracked Since Jul 30, 2026