CVE-2019-25361

Ayukov NFTP client 1.71 contains a buffer overflow vulnerability in the SYST command handling that allows remote attackers to execute arbitrary code. Attackers can send a specially crafted SYST command with oversized payload to trigger a buffer overflow and execute a bind shell on port 5150.

Score

CVSS 3.1 9.8 Critical

Status

Deferred - disclosure@vulncheck.com

Published

2026-02-18

Last modified

2026-02-19

Weaknesses

CWE-121

Affected products

• Ayukov Nftp Client (Ayukov)

References

• http://ayukov.com/nftp/
• https://www.exploit-db.com/exploits/47576
• https://www.vulncheck.com/advisories/ayukov-nftp-client-syst-buffer-overflow