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How the CVE Works
CVE-2025-5357 is a critical buffer overflow vulnerability in FreeFloat FTP Server 1.0, specifically in the PWD command handler. The flaw occurs due to improper bounds checking when processing overly long PWD command inputs. Attackers can exploit this by sending a maliciously crafted FTP command, triggering a stack-based buffer overflow. This allows remote code execution (RCE) under the context of the server process. The vulnerability is remotely exploitable without authentication, making it highly dangerous.
DailyCVE Form
Platform: FreeFloat FTP
Version: 1.0
Vulnerability: Buffer Overflow
Severity: Critical
Date: 06/17/2025
Prediction: Patch expected by 07/15/2025
What Undercode Say
Analytics:
nmap --script ftp-vuln-cve2025-5357 -p 21 <target>
exploit = "PWD " + "A" 1000 + "\x90" 50 + shellcode
How Exploit:
- Craft oversized PWD command with shellcode.
- Send payload via FTP connection.
- Trigger overflow to gain RCE.
Protection from this CVE:
- Disable FreeFloat FTP Server.
- Apply vendor patch when released.
- Use network segmentation.
Impact:
- Remote code execution.
- Full system compromise.
- Unauthenticated attack vector.
Sources:
Reported By: nvd.nist.gov
Extra Source Hub:
Undercode
