What is CVE-2026-40818?

CVE-2026-40818 is a high-severity vulnerability in Helmholz Myrex24v2, classified under SQL Injection. CVSS score: 7.5/10. Published 2026-05-27.

How severe is CVE-2026-40818?

High severity. CVSS v3 base score is 7.5 out of 10.

SQL Injection in Helmholz Myrex24v2

CVE-2026-40818

An unauthenticated remote attacker can exploit an unauthenticated SQL Injection vulnerability in the _mb24confi_getDevice function due to improper neutralization of special elements in a SQL SELECT command. This can result in a total loss…

Vulnerability class: SQL Injection

EPSS: 0.001 (20.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Helmholz Myrex24v2 — versions 0.0.0, 2.20.0
Helmholz Myrex24v2.virtual — versions 0.0.0, 2.20.0
Mb Connect Line Mbconnect24 — versions 0.0.0, 2.20.0
Mb Connect Line Mymbconnect24 — versions 0.0.0, 2.20.0

Weakness classification (CWE)

CWE-89 — SQL Injection

References

info@cert.vde.com

Frequently asked questions

What is CVE-2026-40818?: CVE-2026-40818 is a high-severity vulnerability in Helmholz Myrex24v2, classified under SQL Injection. CVSS score: 7.5/10. Published 2026-05-27.
How severe is CVE-2026-40818?: High severity. CVSS v3 base score is 7.5 out of 10.