Vulnerability · Published Mar 9, 2026 · Assigned by CERTVDE

CVE-2025-41767Signature bypass on update upload

High 7.2

In plain English

A high-severity security flaw in UBR-01 Mk II from MBS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).

Severity (CVSS 3.1)7.2High
Exploit odds (30 days)0.2%top 83.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
MBS UBR-01 Mk II 0.0.0 – before 6.0.1.0
MBS UBR-02 0.0.0 – before 6.0.1.0
MBS UBR-LON 0.0.0 – before 6.0.1.0

Weakness: CWE-347 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References