CVE 8.9 HIGH

FRAIL SECURITY IN MQTT PROTOCOL ALLOWS AN ATTACKER MODIFY CRITICAL PARAMETERS_CVE-2026-22535

8.9 / 10
HIGH
CVSS:4.0/AV:A/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

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

AI Analysis

Unsecured MQTT communications protocol allows an attacker to modify critical parameters

Basic Information

ID CVE-2026-22535
Source S21sec
Published Jan 7, 2026 at 16:37
Modified Jan 7, 2026 at 16:59

Affected Product

Vendor EFACEC
Product QC 60/90/120
Version 8
Affected Versions EFACEC QC 60/90/120 8

CWE Classification

AI Assessment

AI Score 8.9 / 10
AI Severity High
Vendor EFACEC
Product QC 60/90/120
Version 8

References

💭 Join the Security Discussion

🔒 Your email address will not be published. Required fields are marked *

⚠️ Please be respectful and constructive in your comments. Security discussions should remain professional.