CVE-2019-25361
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductAyukov NFTP client
PublishedFeb 18, 2026
First seenFeb 18, 2026
Weakness typeCWE-121CWE-121
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Ayukov Ayukov NFTP client | 1.71 | — |
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