CVE-2026-40816: Helmholz MYREX24V2

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

An unauthenticated remote attacker can exploit an unauthenticated SQL Injection vulnerability in the mb24alarm.php files _mb24confi_getTagAlarm function due to improper neutralization of special elements in a SQL SELECT command. This can result in a total loss of confidentiality.

Affected products

• Helmholz MYREX24V2: from 0.0.0, up to and including 2.20.0; version 2.20.0 only
• Helmholz MYREX24V2.VIRTUAL: from 0.0.0, up to and including 2.20.0; version 2.20.0 only
• Mb Connect Line MBCONNECT24: from 0.0.0, up to and including 2.20.0; version 2.20.0 only
• Mb Connect Line MYMBCONNECT24: from 0.0.0, up to and including 2.20.0; version 2.20.0 only

Published 2026-05-27. Last modified 2026-06-17.