CVE-2006-4781

CVE-2006-4781 is a high-severity vulnerability in Futuresoft Tftp Server Multithreaded with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

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.

Frequently asked questions

What is CVE-2006-4781?
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.
How severe is CVE-2006-4781?
CVE-2006-4781 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2006-4781 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4781?
CVE-2006-4781 affects Futuresoft Tftp Server Multithreaded. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-4781?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2006-4781 published?
CVE-2006-4781 was published on 2006-09-14 and last updated on 2026-06-16.

References

Affected products (1)