CVE-2025-41758
Arbitrary File Write via Path Traversal in wwupload.cgi Enables Full Compromise
Publication date: 2026-03-09
Last updated on: 2026-03-11
Assigner: CERT VDE
Description
Description
CVSS Scores
EPSS Scores
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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-22 | The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability involves an arbitrary file write issue in the wwupload.cgi endpoint. A low-privileged remote attacker can exploit path traversal to overwrite arbitrary files on the affected device.
By leveraging this flaw, the attacker can gain full system compromise.
How can this vulnerability impact me? :
The vulnerability can lead to a full system compromise, allowing an attacker to overwrite critical files on the device.
This can result in unauthorized control over the system, potentially leading to data loss, service disruption, or further exploitation.
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