Vulnerability · Published Nov 18, 2025 · Assigned by CERTVDE
CVE-2025-41733Possible malfunction credential injection
Critical 9.8
In plain English
A critical-severity security flaw in Energy-Controlling EWIO2-M from METZ CONNECT. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.6%top 48.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The commissioning wizard on the affected devices does not validate if the device is already initialized. An unauthenticated remote attacker can construct POST requests to set root credentials.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| METZ CONNECT | Energy-Controlling EWIO2-M | 0.0.0 – before 2.2.0 |
| METZ CONNECT | Energy-Controlling EWIO2-M-BM | 0.0.0 – before 2.2.0 |
| METZ CONNECT | Ethernet-IO EWIO2-BM | 0.0.0 – before 2.2.0 |
Weakness: CWE-305 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H