CVE-2025-57618
Unknown Unknown - Not Provided

BaseFortify

Publication date: 2025-10-14

Last updated on: 2025-10-14

Assigner: MITRE

Description
A path traversal vulnerability in FastX3 thru 3.3.67 allows an unauthenticated attacker to read arbitrary files on the server. By leveraging this vulnerability, it is possible to access the application's configuration files, which contain the secret key used to sign JSON Web Tokens as well as existing JTIs. With this information, an attacker can forge valid JWTs, impersonate the root user, and achieve remote code execution in privileged context via authenticated endpoints.

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Meta Information

Published
2025-10-14
Last Modified
2025-10-14
Generated
2026-07-06
AI Q&A
2025-10-14
EPSS Evaluated
2026-07-05
NVD
CVE-2025-57618
EUVD
EUVD-2025-34260

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
starnet fastx 3.3.67
starnet fastx 3.3.71

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-24 The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize "../" sequences that can resolve to a location that is outside of that directory.

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Executive Summary

This vulnerability is a path traversal flaw in FastX3 versions up to 3.3.67 that allows an unauthenticated attacker to read arbitrary files on the server. By exploiting this, the attacker can access configuration files containing the secret key used to sign JSON Web Tokens (JWTs) and existing JTIs. With these, the attacker can forge valid JWTs, impersonate the root user, and execute remote code with privileged access through authenticated endpoints.

Impact Analysis

The vulnerability can lead to severe impacts including unauthorized access to sensitive files, compromise of authentication tokens, impersonation of the root user, and remote code execution with elevated privileges. This can result in full system compromise and loss of control over the affected server.

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