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CVE-2025-41765

Mbs-solutions Universal Bacnet Router Firmware broken access control

9.1 CRITICALEPSS 0.27%
  1. Published9 Mar 2026

Description

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 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityNone
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Affected products

Mbs-solutions Universal Bacnet Router Firmware< 6.0.1.0

Remediation

Fixed in
Mbs-solutions Universal Bacnet Router Firmware≥ 6.0.1.0

References

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Frequently asked

Is CVE-2025-41765 being actively exploited?

CVE-2025-41765 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.27%.

How severe is CVE-2025-41765?

CVE-2025-41765 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.27% probability of exploitation.

Which products are affected by CVE-2025-41765?

Affected products include Mbs-solutions Universal Bacnet Router Firmware.

How do I fix CVE-2025-41765?

Upgrade affected software to a fixed version, for example Mbs-solutions Universal Bacnet Router Firmware 6.0.1.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-41765 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.