Resource exhaustion in Helmholz Rex 100
CVE-2025-41676
A high privileged remote attacker can exhaust critical system resources by sending specifically crafted POST requests to the send-sms action in fast succession.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.005 (41.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Helmholz Rex 100 — versions 0.0.0
- Mb Connect Line Mbnet.mini — versions 0.0.0
- Mbconnectline Mbnet.mini
- Mbconnectline Mbnet.mini_firmware
Weakness classification (CWE)
References
- info@cert.vde.com (Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List)
Frequently asked questions
- What is CVE-2025-41676?
- CVE-2025-41676 is a medium-severity vulnerability in Helmholz Rex 100, classified under Uncontrolled Resource Consumption. CVSS score: 4.9/10. Published 2025-07-21.
- How severe is CVE-2025-41676?
- Medium severity. CVSS v3 base score is 4.9 out of 10.