Critical 9.8Published Jan 28, 2026

CVE-2020-36964YATinyWinFTP - Denial of Service

Updated under an hour ago (Oct 27, 2026, 3:23 AM ET)

Does this affect you?

It affects ik80 YATinyWinFTP. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for ik80 YATinyWinFTP

Exploited in the last 30 days

YATinyWinFTP contains a denial of service vulnerability that allows attackers to crash the FTP service by sending a 272-byte buffer with a trailing space. Attackers can exploit the service by connecting and sending a malformed command that triggers a buffer overflow and service crash.

CVSS: 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-787
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Jan 29, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

ik80 YATinyWinFTP ik80:yatinywinftp (from the name)	0.0.5	CNA record

References

References

https://www.exploit-db.com/exploits/49127	exploit
https://github.com/ik80/YATinyWinFTP	product
https://www.vulncheck.com/advisories/yatinywinftp-denial-of-service	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.