Vulnerability · Published May 27, 2026 · Assigned by CERTVDE
CVE-2026-40818Unauthenticated SQLi in _mb24confi_getDevice function function
High 7.5
In plain English
A high-severity SQL injection in myREX24V2 from Helmholz. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.3%top 74.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 of confidentiality.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| MB connect line | mbCONNECT24 | 0.0.0 – through 2.20.0 |
| MB connect line | mymbCONNECT24 | 0.0.0 – through 2.20.0 |
| MB connect line | mbCONNECT24 | 2.20.0 |
| MB connect line | mymbCONNECT24 | 2.20.0 |
| Helmholz | myREX24V2 | 0.0.0 – through 2.20.0 |
| Helmholz | myREX24V2.virtual | 0.0.0 – through 2.20.0 |
| Helmholz | myREX24V2 | 2.20.0 |
| Helmholz | myREX24V2.virtual | 2.20.0 |
Weakness: CWE-89 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N