Which products and versions are affected by CVE-2009-1730?

Affected: Netdecision Tftp Server (Netmechanica) versions 4.2. The full list is in the CVE brief.

Is CVE-2009-1730 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2009-1730 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2009-1730?

Public exploit code is available.

Is there a fix for CVE-2009-1730?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2009-1730 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2009-1730

CriticalPublic exploit

Multiple directory traversal vulnerabilities in NetMechanica NetDecision TFTP Server 4.2 allow remote attackers to read or modify arbitrary files via directory traversal sequences in the (1) GET or (2) PUT command.

Published May 20, 2009 · Updated Apr 22, 2026

Key Facts

Patch immediately

CVE-2009-1730 is a critical-severity vulnerability (CVSS 10.0 v2) affecting Netdecision Tftp Server (Netmechanica).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 55% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v2

10.0

AV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS (30-day exploit likelihood)

55%

Higher than 99.0% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2009-1730 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Affected Products

1 affected entries in total

Product	Affected versions	Fixed in
Netdecision Tftp ServerNetmechanica	4.2	n/a

Timeline

Publicly disclosed
May 20, 2009
Last updated
Apr 22, 2026

Weakness Type

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

References

advisory35131
exploitMSF netdecision_tftp_traversal.rb
exploitExploitDB-20392
othernetdecision-tftp-dir-traversal(50574)
otherhttp://www.princeofnigeria.org/blogs/index.php/2009/05/17/netdecision-tftp-server-4-2-tftp-directo?blog=1

1 more references in the full CVE brief

FAQ

Common Questions.

Multiple directory traversal vulnerabilities in NetMechanica NetDecision TFTP Server 4.2 allow remote attackers to read or modify arbitrary files via directory traversal sequences in the (1) GET or (2) PUT command.
Affected: Netdecision Tftp Server (Netmechanica) versions 4.2. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

Is CVE-2009-1730 Running On Your Attack Surface?

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