CVE-2026-22535
FRAIL SECURITY IN MQTT PROTOCOL ALLOWS AN ATTACKER MODIFY CRITICAL PARAMETERS
- State
- Published
- Severity
- 8.9 High
- Published
- Jan 7, 2026
- Updated
- Jan 7, 2026
- Reserved
- Jan 7, 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
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.9 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 | S21sec |
Weaknesses
- CWE-1366 Frail Security in Protocols
Affected Products
| Product | Versions |
|---|---|
QC 60/90/120EFACEC |
|
References
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