CVE-2025-41765criticalCWE-862

CVE-2025-41765: critical vulnerability in MBS UBR-01 Mk II

Unchecked role in wwwupload.cgi

Published

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28Vexday Risk Score

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

ssvc Trackcvss 9.1epss 0.3%
Due to insufficient authorization enforcement, an unauthorized remote attacker can exploit the wwwupload.cgi endpoint to upload and apply arbitrary data. This includes, but is not limited to, contact images, HTTPS certificates, system backups for restoration, server peer configurations, and BACnet/SC server certificates and keys.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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%