Is CVE-2025-41756 in the CISA KEV catalog?

No. CVE-2025-41756 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-41756?

CVE-2025-41756 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2025-41756?

CVE-2025-41756 has an EPSS score of 0.33% (25th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-41756?

Upgrade universal bacnet router firmware to 6.0.1.0 or later.

CVE & CISA-KEV Catalog

CVE-2025-41756

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%	-	-

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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.