CVE-2025-41756

Q: How do I fix CVE-2025-41756?

Upgrade universal bacnet router firmware to 6.0.1.0 or later.

Q: Is CVE-2025-41756 being actively exploited?

Not that we know of. CVE-2025-41756 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.33% is the estimated probability that it will be exploited in the next 30 days. That is higher than 25% of all scored CVEs.

Q: How severe is CVE-2025-41756?

CVE-2025-41756 has a CVSS v3 base score of 8.1, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2025-41756 affect?

Published advisories record a fix for universal bacnet router firmware (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

HIGH

8.1

CVSS v3

NVD

Description

A low-privileged remote attacker can exploit the ubr-editfile method in wwwubr.cgi, an undocumented and unused API endpoint to write arbitrary files on the system.

CWE-1242

How to fix

Remediation Available

universal bacnet router firmwareNVD

Affected:< 6.0.1.0Fixed in:6.0.1.0CVE-2025-41756derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Exploit Intelligence

0.33%probability of exploitation in 30 days

25thpercentile

Low risk: more likely to be exploited than 25% of all known CVEs.

References

Vendor Advisory1

mbs-solutions.de

Related Vulnerabilities

Other CWE-1242 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-20204	Unscored	-	0.8%	-	-
CVE-2021-4469	Unscored	-	0.6%	-	-
CVE-2024-52564	High	7.5	0.6%	-	-
CVE-2023-3634	High	8.8	0.5%	-	-
CVE-2024-2103	Medium	6.5	0.5%	-	-
CVE-2024-54457	High	7.2	0.4%	-	-

Common questions

How do I fix CVE-2025-41756?

Upgrade universal bacnet router firmware to 6.0.1.0 or later.

Is CVE-2025-41756 being actively exploited?

Not that we know of. CVE-2025-41756 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.33% is the estimated probability that it will be exploited in the next 30 days. That is higher than 25% of all scored CVEs.

How severe is CVE-2025-41756?

CVE-2025-41756 has a CVSS v3 base score of 8.1, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2025-41756 affect?

Published advisories record a fix for universal bacnet router firmware (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-03-11.