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CVE-2025-41754: A low-privileged remote attacker can exploit the ubr-editfile method in wwwubr.cgi, an undocumented and unused

30
Routine
MEDIUM 6.5UPGRADE

CVE-2025-41754 is a medium-severity flaw (CVSS 6.5) affecting universal bacnet router firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score6.5 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.4% (top 71%)
CISA exploited listNo
WeaknessCWE-1242
Published2026-03-09
Last modified2026-06-17
Publisher (CNA): CERT VDE · Vendor: mbs-solutions

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

mbs-solutions universal bacnet router firmware UPGRADE
Affected: < 6.0.1.0
Fixed in: 6.0.1.0
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-41754?

universal bacnet router firmware: upgrade to 6.0.1.0. Exact commands for each OS are on this page.

Is CVE-2025-41754 being exploited?

CVE-2025-41754 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-41754 affect?

CVE-2025-41754 affects universal bacnet router firmware. Severity is medium (CVSS 6.5). A low-privileged remote attacker can exploit the ubr-editfile method in wwwubr.cgi, an undocumented and unused API endpoint to read arbitrary files on the system.

How urgent is CVE-2025-41754?

Priority 30/100. No elevated risk signals yet.

Related CVEs

References

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