CVE-2026-44090criticalCWE-306

CVE-2026-44090: critical vulnerability in Phoenix Contact CHARX SEC-3000

Missing authentication for MQTT Broker

Published

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28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.3epss 0.7%
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.
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
Affected products
Phoenix Contact · CHARX SEC-3000Phoenix Contact · CHARX SEC-3050Phoenix Contact · CHARX SEC-3100Phoenix Contact · CHARX SEC-3150
Related CVEs — Phoenix Contact CHARX SEC-3000

In the same product, most dangerous first.

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