CVE-2025-40898
Path Traversal in Arc Data Import Allows Arbitrary File Write
Publication date: 2025-12-18
Last updated on: 2026-04-14
Assigner: Nozomi Networks Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| nozominetworks | cmc | * |
| nozominetworks | guardian | * |
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?
CVE-2025-40898 is a path traversal vulnerability in the Import Arc data archive functionality of Nozomi Networks Guardian and CMC products before version 25.5.0. It occurs because the system does not properly validate the input file. An authenticated user with limited privileges can upload a specially crafted Arc data archive that allows them to write arbitrary files to arbitrary paths on the device. This can lead to modification of device configurations or affect the device's availability. [1]
How can this vulnerability impact me? :
This vulnerability can allow an authenticated user with limited privileges to write arbitrary files anywhere on the device, potentially altering device configurations or disrupting device availability. This could lead to unauthorized changes in system behavior, service interruptions, or denial of service conditions. [1]
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include restricting access to the web management interface using internal firewall rules and reviewing or removing unnecessary user accounts. The definitive solution is to upgrade the affected products to version 25.5.0 or later. [1]