What is CVE-2025-41756?

CVE-2025-41756 is a high-severity vulnerability in Mbs Ubr-01 Mk Ii, classified under CWE-1242. CVSS score: 8.1/10. Published 2026-03-09.

How severe is CVE-2025-41756?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Mbs Ubr-01 Mk Ii

CVE-2025-41756

A low-privileged remote attacker can exploit the ubr-editfile method in wwwubr.cgi, an undocumented and unused API endpoint to write arbitrary files on the system.

EPSS: 0.000 (14.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

Affected products

Mbs Ubr-01 Mk Ii — versions 0.0.0
Mbs Ubr-02 — versions 0.0.0
Mbs Ubr-lon — versions 0.0.0

Weakness classification (CWE)

CWE-1242

References

www.mbs-solutions.de/mbs-2025-0001

Frequently asked questions

What is CVE-2025-41756?: CVE-2025-41756 is a high-severity vulnerability in Mbs Ubr-01 Mk Ii, classified under CWE-1242. CVSS score: 8.1/10. Published 2026-03-09.
How severe is CVE-2025-41756?: High severity. CVSS v3 base score is 8.1 out of 10.