CVE-2025-41767highCWE-347

CVE-2025-41767: high-severity vulnerability in MBS UBR-01 Mk II

Signature bypass on update upload

Published

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.2epss 0.3%
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.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected products
MBS · UBR-01 Mk IIMBS · UBR-02MBS · UBR-LON
Related CVEs — MBS UBR-01 Mk II

In the same product, most dangerous first.

CVE-2025-41758HIGHArbitrary Write with wwwupload.cgiEPSS 0.6%CVE-2025-41757HIGHArbitrary Write with ubr-restoreEPSS 0.6%CVE-2025-41755MEDIUMArbitrary Read with ubr-logreadEPSS 0.6%CVE-2025-41766HIGHStack buffer overflow on parsing web requestEPSS 0.5%CVE-2025-41764CRITICALUnchecked role in wwwupdate.cgiEPSS 0.4%CVE-2025-41754MEDIUMArbitrary Read with ubr-editfileEPSS 0.4%