Vulnary
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Critical· 9.3

CVE-2018-25254

A buffer overflow in NICO-FTP 3.0.1.19 lets attackers send crafted FTP commands that overwrite structured exception handler pointers, enabling remote code execution. The flaw is triggered by oversized data in response handlers and requires no user interaction.

publishedApr 4, 2026
last modifiedJul 24, 2026
sourcesNVD
severity · cvss
9.3
critical · how bad it is
exploitation · epss
<1%
57th percentile · chance of exploitation in 30 days
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
auto-deletes from the system
counting…on Sep 7, 2026

No official fix yet. If none appears within 45 days of first tracking, this entry is removed automatically.

01

Who is affected

NICO-FTP 3.0.1.19 (the nico-ftp_project nico-ftp package).

02

Real-world impact

An attacker who can connect to the vulnerable FTP service can run arbitrary code on the server, potentially taking full control of the machine and compromising all data stored there.

03

Why this severity

The CVSS score of 9.3 reflects a remote, unauthenticated attack that can compromise confidentiality, integrity, and availability. The vulnerability allows arbitrary code execution without any user interaction, making it highly critical.

04

What to do about it

no official fix yet

No official fix or mitigation is documented in the sources yet. Monitor the vendor advisory and apply the patch as soon as it is released.

No fix documented in sources

05

Timeline

  1. Apr 4, 2026 · Apr 4, 2026
    Published
    Disclosed and added to the National Vulnerability Database.
  2. Jul 24, 2026 · 11d ago
    Advisory updated
    The NVD record was last revised.
06

How it’s attacked

Attack vectorNetwork (remote)
Attack complexityLow
Attack requirementsNone
Privileges requiredNone
User interactionNone needed
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
07

References & advisories

(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →