Vulnerability · Published Jun 24, 2025 · Assigned by CERTVDE
CVE-2025-3090MB connect line: Missing Authentication in mbCONNECT24/mymbCONNECT24
High 8.2
In plain English
A high-severity missing authentication in myREX24 from Helmholz. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 39% of all known vulnerabilities).
Severity (CVSS 3.1)8.2High
Exploit odds (30 days)0.5%top 60.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An unauthenticated remote attacker can obtain limited sensitive information and/or DoS the device due to missing authentication for critical function.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| MB connect line | mbCONNECT24 | 0 – before 2.18.0 |
| MB connect line | mymbCONNECT24 | 0 – before 2.18.0 |
| Helmholz | myREX24 | 0 – before 2.18.0 |
| Helmholz | myREX24.virtual | 0 – before 2.18.0 |
Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H