What is CVE-2006-2407?

CVE-2006-2407 is a vulnerability in Freeftpd, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2006-05-16.

Is CVE-2006-2407 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Freeftpd

CVE-2006-2407

Stack-based buffer overflow in (1) WeOnlyDo wodSSHServer ActiveX Component 1.2.7 and 1.3.3 DEMO, as used in other products including (2) FreeSSHd 1.0.9 and (3) freeFTPd 1.0.10, allows remote attackers to execute arbitrary code via a long key exchange algorithm string.

Vulnerability class: Buffer Overflow

Published 2006-05-16 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.714 (99.4th percentile), scored 2026-10-18.

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.714 · newest: 0.714 · change: 0.000

Affected products

Freeftpd — versions 1.0.10
Freesshd — versions 1.0.9
Weonlydo Wodsshserver — versions 1.2.7, 1.3.3_demo

Weakness classification (CWE)

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

Public proof-of-concept exploits

References

secunia.com/advisories/19846 (Vendor Advisory, third-party-advisory)
www.osvdb.org/25569 (vdb-entry)
www.securityfocus.com/archive/1/434007/100/0/threaded (mailing-list)
www.securityfocus.com/archive/1/434402/100/0/threaded (mailing-list)
www.vupen.com/english/advisories/2006/1786 (vdb-entry, Vendor Advisory)
securityreason.com/securityalert/901 (third-party-advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/26442 (vdb-entry)
www.securityfocus.com/archive/1/434415/100/0/threaded (mailing-list)
secunia.com/advisories/19845 (Patch, Vendor Advisory, third-party-advisory)
www.kb.cert.org/vuls/id/477960 (US Government Resource, third-party-advisory)

Frequently asked questions

What is CVE-2006-2407?: CVE-2006-2407 is a vulnerability in Freeftpd, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2006-05-16.
Is CVE-2006-2407 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.