CVE-2025-59819
Arbitrary File Read via Path Traversal in Authenticated Component
Publication date: 2026-02-20
Last updated on: 2026-02-23
Assigner: National Cyber Security Centre Netherlands (NCSC-NL)
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| zenitel | alphacom | 13.2.3.16 |
| zenitel | alphacom_xe | 13.2.3.16 |
| zenitel | bsp | 32.4.3.12 |
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 allows authenticated attackers to read arbitrary files on the system by manipulating a filepath parameter to point to internal system paths.
How can this vulnerability impact me? :
The vulnerability can lead to unauthorized disclosure of sensitive information by allowing attackers to access arbitrary files within the system.
This could compromise confidentiality (as indicated by the CVSS score impact on confidentiality) without affecting integrity or availability.
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?
To mitigate the vulnerability CVE-2025-59819, users are advised to upgrade AlphaCom XE to version 13.2.3.16 along with the board support package bsp_32.4.3.12.
Note that if the NVRAM version differs during the upgrade, the AlphaCom InterCom configuration will reset to default and require restoration via AlphaPro’s SendAll function, although AlphaWeb configurations remain intact.