What is CVE-2025-41679?

CVE-2025-41679 is a medium-severity vulnerability in Helmholz Rex 100, classified under Out-of-bounds Write. CVSS score: 5.3/10. Published 2025-07-21.

How severe is CVE-2025-41679?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Buffer overflow in Helmholz Rex 100

CVE-2025-41679

An unauthenticated remote attacker could exploit a buffer overflow vulnerability in the device causing a denial of service that affects only the network initializing wizard (Conftool) service.

Vulnerability class: Buffer Overflow

EPSS: 0.006 (46.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

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)

CWE-787 — Out-of-bounds Write

References

info@cert.vde.com (Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List)

Frequently asked questions

What is CVE-2025-41679?: CVE-2025-41679 is a medium-severity vulnerability in Helmholz Rex 100, classified under Out-of-bounds Write. CVSS score: 5.3/10. Published 2025-07-21.
How severe is CVE-2025-41679?: Medium severity. CVSS v3 base score is 5.3 out of 10.