CVE-2019-25361

Ayukov NFTP client 1.71 - 'SYST' Buffer Overflow

Published Feb 18, 2026 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Ayukov
Ayukov ayukov Nftp Client
Vendors & Products Ayukov
Ayukov ayukov Nftp Client
Type Values Removed Values Added
Description 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.
Title Ayukov NFTP client 1.71 - 'SYST' Buffer Overflow
Weaknesses CWE-121
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.6, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Feb 19, 2026, 8:09 PM
Reserved
Feb 13, 2026, 5:37 PM
Status
Deferred
Published
Feb 18, 2026, 10:16 PM
Modified
Jun 17, 2026, 2:32 AM