CVE-2026-22535

Severity CVSS v4.0:

HIGH

Type:

Unavailable / Other

Publication date:

07/01/2026

Last modified:

08/01/2026

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

Impact

Vector 4.0

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 CVSS v4.0 Severity and Metrics:

Base Score: 8.90 HIGH
Vector: 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

Attack Vector (AV): Adjacent
Attack Complexity (AC): High
Attack Requirements (AT): None
Privileges Required (PR): Low
User Interaction (UI): None
Confidentiality (VC): High
Integrity (VI): High
Availability (VA): High
Confidentiality (SC): High
Integrity (SI): High
Availability (SA): High

Base Score 4.0

8.90

Severity 4.0

HIGH

References to Advisories, Solutions, and Tools

https://cds.thalesgroup.com/en