CVE-2025-57633 Command injection in n/a

Critical 9.8 Published Updated

Unauthenticated attackers can execute arbitrary OS commands via the FTP file upload endpoint due to unsanitized input in shell command construction.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-57633?

CVE-2025-57633 is a critical command injection vulnerability in n/a, published on 9 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-77

Which versions are affected by CVE-2025-57633?

How do I fix CVE-2025-57633?

No fix has been published for CVE-2025-57633 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2025-57633 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-57633 exists.

Sources

Also known as GHSA-82jh-rv5v-x9x9.

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