CVE-2006-4781

Exp

Heap-based buffer overflow in FutureSoft TFTP Server Multithreaded (MT) 1.1 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code by sending a crafted packet to port 69/UDP, which triggers the overflow when constructing an absolute path name. NOTE: Some details are obtained from third party information.

Published: 2006-09-14 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-4781 is rated High Exploit Risk (84.2/100): CVSS High severity, with high exploitation likelihood (EPSS 47.34%, 98th percentile). 3 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +31.83% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2006-4781

EDB-ID Source Kind Published Link
2334 exploit_db edb 2006-09-08 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2006-4781

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-08-27 15.51% 47.34% +31.83%
2 2025-05-03 14.23% 15.51% +1.28%
3 2025-03-30 — 14.23% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-4781

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2006-4781

Affected software / configurations for CVE-2006-4781

Vendor Product Version Raw CPE
futuresoft tftp_server_multithreaded 1.1 cpe:2.3:a:futuresoft:tftp_server_multithreaded:1.1:*:*:*:*:*:*:*

References for CVE-2006-4781

cvelogic Threat Intelligence