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.
CVE-2009-1730
- High exploitation likelihood — EPSS 55%
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 98.9%
- KEV
- Not listed
Published
May 20, 2009
Last Modified
April 23, 2026
References (8)
- cve@mitrehttp://secunia.com/advisories/35131
- cve@mitrehttp://www.princeofnigeria.org/blogs/index.php/2009/05/17/netdecision-tftp-server-4-2-tftp-directo?blog=1
- cve@mitrehttp://www.securityfocus.com/bid/35002
- cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/50574
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/35131
- af854a3a-2127-422b-91ae-364da2661108http://www.princeofnigeria.org/blogs/index.php/2009/05/17/netdecision-tftp-server-4-2-tftp-directo?blog=1
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/35002
- af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/50574
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 4× in last 7d / 32× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-05 02:26 UTCEPSS rescore
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- 2026-05-30 16:48 UTCEG score recompute
- 2026-05-30 16:48 UTCGHSA enrichment
- 2026-05-29 13:40 UTCEPSS rescore
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- 2026-05-18 21:29 UTCEPSS rescore
Publicly available exploits
(3 references)Working exploit code is in the public domain (2 Metasploit modules) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-20392✓ verifiedFirst seen Aug 10, 2012
NetDecision 4.2 - TFTP Writable Directory Traversal Execution (Metasploit)
Open source ↗ - Metasploitexploit/windows/tftp/netdecision_tftp_traversal✓ verifiedFirst seen May 16, 2009
NetDecision 4.2 TFTP Writable Directory Traversal Execution
Open source ↗ - Metasploitauxiliary/scanner/tftp/netdecision_tftp✓ verifiedFirst seen May 16, 2009
NetDecision 4.2 TFTP Directory Traversal
Open source ↗
Related CVEs(same CWE)
Frequently asked(4)
What is CVE-2009-1730?
When was CVE-2009-1730 disclosed?
Is CVE-2009-1730 actively exploited?
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