What is CVE-2018-17106?

CVE-2018-17106 is a high-severity vulnerability in Tinyftp Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2018-09-16.

How severe is CVE-2018-17106?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Tinyftp Project

CVE-2018-17106

In Tinyftp Tinyftpd 1.1, a buffer overflow exists in the text variable of the do_mkd function in the ftpproto.c file. An attacker can overwrite ebp via a long pathname.

Vulnerability class: Buffer Overflow

Published 2018-09-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.009 (59.7th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Tinyftp Project — versions 1.1

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

github.com/vbirds/Tinyftp/issues/4 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-17106?: CVE-2018-17106 is a high-severity vulnerability in Tinyftp Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2018-09-16.
How severe is CVE-2018-17106?: High severity. CVSS v3 base score is 7.5 out of 10.