Remote Resource Exhaustion Vulnerability in Fast Mail Action by Vendor
CVE-2025-41677

4.9MEDIUM

Key Information:

Vendor

Mb Connect Line

Status
Mbnet.mini
Rex 100
Vendor
CVE Published:
21 July 2025

What is CVE-2025-41677?

A resource exhaustion vulnerability exists in the Fast Mail Action that allows a remote attacker with high privileges to deplete critical system resources. By sending specially crafted POST requests in rapid succession, an attacker can overwhelm the target system, potentially leading to service degradation or denial of service. This highlights the importance of implementing rate limiting and proper input validation to mitigate such threats.

Affected Version(s)

mbNET.mini 0.0.0 < 2.3.3

REX 100 0.0.0 < 2.3.3

References

https://certvde.com/de/advisories/VDE-2025-058

CVSS V3.1

Score:
4.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

F. Bruckmoser, M. Eder, J. Heigl, M. Heudorn, G. Hofmarcher, M. Kadlec, M. Pristauz-Telsnigg, S. Resch, P. Schweinzer, M. Gschiel from St. Poelten UAS
.
CVE-2025-41677 : Remote Resource Exhaustion Vulnerability in Fast Mail Action by Vendor