CVE-2018-25254

NICO-FTP 3.0.1.19 Buffer Overflow SEH

NICO-FTP 3.0.1.19 contains a structured exception handler buffer overflow vulnerability that allows remote attackers to execute arbitrary code by sending crafted FTP commands. Attackers can connect to the FTP service and send oversized data in response handlers to overwrite SEH pointers and redirect execution to injected shellcode.

Affected

nico-ftp · NICO-FTP

CVSS v4.0 VULNCHECK

9.3 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 VULNCHECK

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.91% chance of exploitation in the next 30 days, 59th percentile

Published

2026-04-04

Updated

2026-04-06

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/45442

Security advisories

• https://www.vulncheck.com/advisories/nico-ftp-buffer-overflow-seh
• https://en.softonic.com/download/nico-ftp/windows/post-download

References

• CVE Record
• NVD entry