Path Traversal in Mbs Ubr-01 Mk Ii

CVE-2025-41758

A low-privileged remote attacker can exploit an arbitrary file write vulnerability in the wwupload.cgi endpoint. Due to path traversal this can lead to overwriting arbitrary files on the device and achieving a full system compromise.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.001 (24.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-41758?
CVE-2025-41758 is a high-severity vulnerability in Mbs Ubr-01 Mk Ii, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-03-09.
How severe is CVE-2025-41758?
High severity. CVSS v3 base score is 8.8 out of 10.