CVE-2025-41767
Signature bypass on update upload
CVSS Score
7.2
EPSS Score
0.0%
EPSS Percentile
0th
A high-privileged remote attacker can fully compromise the device by abusing an update signature bypass vulnerability in the wwwupdate.cgi method in the web interface of UBR.
| CWE | CWE-347 |
| Vendor | mbs |
| Product | ubr-01 mk ii |
| Published | Mar 9, 2026 |
| Last Updated | Mar 9, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
MBS / UBR-01 Mk II
0.0.0 < 6.0.1.0
MBS / UBR-02
0.0.0 < 6.0.1.0
MBS / UBR-LON
0.0.0 < 6.0.1.0
Credits
Adrien Rey from Cyber Defense Campus Zurich Daniel Hulliger from Armasuisse