CVE-2025-41756
Arbitrary File Write via ubr-editfile in wwwubr.cgi Remote Exploit
Publication date: 2026-03-09
Last updated on: 2026-03-11
Assigner: CERT VDE
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mbs-solutions | universal_bacnet_router_firmware | to 6.0.1.0 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-1242 | The device includes chicken bits or undocumented features that can create entry points for unauthorized actors. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability involves a low-privileged remote attacker exploiting the ubr-editfile method in wwwubr.cgi, which is an undocumented and unused API endpoint. By exploiting this method, the attacker can write arbitrary files on the affected system.
How can this vulnerability impact me? :
The vulnerability allows an attacker to write arbitrary files on the system, which can lead to significant impacts including integrity and availability issues. Specifically, an attacker could modify or add files, potentially disrupting system operations or injecting malicious content.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know