Vulnerability · Published Jul 21, 2025 · Assigned by CERTVDE
CVE-2025-41677Resource Exhaustion via POST Requests to send-mail Action
Medium 4.9
In plain English
A medium-severity uncontrolled resource consumption in REX 100 from Helmholz. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities).
Severity (CVSS 3.1)4.9Medium
Exploit odds (30 days)0.7%top 48.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A high privileged remote attacker can exhaust critical system resources by sending specifically crafted POST requests to the send-mail action in fast succession.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| MB connect line | mbNET.mini | 0.0.0 – before 2.3.3 |
| Helmholz | REX 100 | 0.0.0 – before 2.3.3 |
Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H