Remote Code Execution Vulnerability in UBR Web Interface by MBS Solutions
CVE-2025-41767

7.2HIGH

Key Information:

Vendor

Mbs

Status
Ubr-01 Mk Ii
Ubr-02
Ubr-lon
Vendor
CVE Published:
9 March 2026

What is CVE-2025-41767?

A vulnerability exists in the UBR web interface that enables high-privileged remote attackers to exploit an update signature bypass issue in the method wwwupdate.cgi. This flaw allows unauthorized individuals to compromise the device entirely, potentially leading to severe security breaches. Proper security measures should be implemented promptly to mitigate risks associated with this vulnerability.

Affected Version(s)

UBR-01 Mk II 0.0.0 < 6.0.1.0

UBR-02 0.0.0 < 6.0.1.0

UBR-LON 0.0.0 < 6.0.1.0

References

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

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Adrien Rey from Cyber Defense Campus Zurich
Daniel Hulliger from Armasuisse
.