Starnet FastX up to 4.1.51 path traversal

Summaryinfo

A vulnerability classified as critical has been found in Starnet FastX up to 4.1.51. Impacted is an unknown function. Performing a manipulation results in path traversal. This vulnerability is cataloged as CVE-2025-57563. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Starnet FastX up to 4.1.51. This affects some unknown processing. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality. The summary by CVE is:

A path traversal in StarNet Communications Corporation FastX v.4 through v4.1.51 allows unauthenticated attackers to read arbitrary files.

This vulnerability is uniquely identified as CVE-2025-57563 since 08/17/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/14/2025). MITRE ATT&CK project uses the attack technique T1006 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• Starnet

Name

• FastX

Version

• 4.1.0
• 4.1.1
• 4.1.2
• 4.1.3
• 4.1.4
• 4.1.5
• 4.1.6
• 4.1.7
• 4.1.8
• 4.1.9
• 4.1.10
• 4.1.11
• 4.1.12
• 4.1.13
• 4.1.14
• 4.1.15
• 4.1.16
• 4.1.17
• 4.1.18
• 4.1.19
• 4.1.20
• 4.1.21
• 4.1.22
• 4.1.23
• 4.1.24
• 4.1.25
• 4.1.26
• 4.1.27
• 4.1.28
• 4.1.29
• 4.1.30
• 4.1.31
• 4.1.32
• 4.1.33
• 4.1.34
• 4.1.35
• 4.1.36
• 4.1.37
• 4.1.38
• 4.1.39
• 4.1.40
• 4.1.41
• 4.1.42
• 4.1.43
• 4.1.44
• 4.1.45
• 4.1.46
• 4.1.47
• 4.1.48
• 4.1.49
• 4.1.50
• 4.1.51

CPE 2.3info

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CPE 2.2info

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Entryinfo

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