# CVE-2025-57633: CVE-2025-57633

Status: published. Published: 2025-09-09. Updated: 2026-11-07.

A command injection vulnerability in FTP-Flask-python through 5173b68 allows unauthenticated remote attackers to execute arbitrary OS commands. The /ftp.html endpoint's "Upload File" action constructs a shell command from the ftp_file parameter and executes it using os.system() without sanitization or escaping.

## Remediation

No remediation reported in collected sources

## Affected products and versions

Not reported in collected sources.

## Severity and prioritization

- CVSS 3.1: 9.8 (critical); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H; source: NVD: 134c704f-9b21-4f2e-91b3-4a467353bcc0

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: exploitation poc; automatable yes; technical impact total; source NVD SSVC: 134c704f-9b21-4f2e-91b3-4a467353bcc0

- Weaknesses: CWE-77

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://gist.github.com/Spendroslav/1c0c6a6556992291b19c3178e3cb5885 (cve@mitre.org)

- https://github.com/ajaypp123/FTP-Flask-python/blob/5173b6828244ff9729fa29cc144d74ccbea30a73/ftp_app.py (cve@mitre.org)

## Provenance

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-57633; retrieved 2026-11-07; source updated 2026-11-07

Revision: 68729d756d72c66700c546cad47f6f7ffe45f33596c1aae6fecb726f875fea54

Canonical: https://y2.dev/cve/CVE-2025-57633

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Collected public records only. Check source status for coverage and freshness.