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High · 8.9 CVE-2026-22535 EUVD-2026-1194GHSA-jj3f-4mq7-82wx

FRAIL SECURITY IN MQTT PROTOCOL ALLOWS AN ATTACKER MODIFY CRITICAL PARAMETERS

Published Jan 7, 2026 · Updated Jan 7, 2026 · Assigned by S21sec

Description

An attacker with the ability to interact through the network and with access credentials, could, thanks to the unsecured (unencrypted) MQTT communications protocol, write on the server topics of the board that controls the MQTT communications

Affected products

VendorProductAffectedFixed
EFACEC QC 60/90/120 8 —

References