CVE-2019-25361CWE-121

Ayukov NFTP client 1.71 - 'SYST' Buffer Overflow

High · published February 18, 2026

CVSS v4.0
8.6
EPSS
1%
Percentile
54.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.6 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00741 · 54.2th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2026-02-18T21:55Z
EPSS history
Timeline
  • 18 FEB 21:55Z
    Ayukov NFTP client 1.71 - 'SYST' Buffer Overflow
    cvelistv5