CVE-2005-1812: Multiple stack-based buffer overflows in FutureSoft TFTP Server Evaluation Version 1.0.0.1 allow remote attack

This week

HIGH 10.0DOWNGRADE

CVE-2005-1812 is a high-severity flaw (CVSS 10.0) affecting tftp server 2000. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple stack-based buffer overflows in FutureSoft TFTP Server Evaluation Version 1.0.0.1 allow remote attackers to execute arbitrary code via a long (1) filename or (2) transfer mode string in a Read Request (RRQ) or Write Request (WRQ) packet.

Why this priority

Critical severity
EPSS top 1%: very likely to be exploited
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	62.9% (top 1%)
CISA exploited list	No
Weakness	CWE-119
Published	2005-06-01
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: futuresoft

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2005-06-01 04:00 UTCPublished CVE record published
2026-06-16 22:13 UTCUpdated Record last modified

futuresoft tftp server 2000 DOWNGRADE

Affected: 1.0.0.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.0.1

1. Check installed version

apt-cache policy tftp-server-2000 || rpm -q tftp-server-2000 || tftp-server-2000 --version

2. No fixed release: DOWNGRADE to a release before 1.0.0.1 (Debian / Ubuntu)

apt-cache madison tftp-server-2000 sudo apt install tftp-server-2000=<VERSION_BEFORE_1.0.0.1> sudo apt-mark hold tftp-server-2000

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list tftp-server-2000 sudo dnf downgrade tftp-server-2000-<VERSION_BEFORE_1.0.0.1> sudo dnf versionlock add tftp-server-2000

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: FutureSoft TFTP Server 2000 - Remote Denial of Service
Exploit-DB: FutureSoft TFTP Server 2000 - Transfer-Mode Overflow (Metasploit)
Metasploit: FutureSoft TFTP Server 2000 Transfer-Mode Overflow

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2005-1812?

tftp server 2000: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2005-1812 being exploited?

CVE-2005-1812 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2005-1812 affect?

CVE-2005-1812 affects tftp server 2000. Severity is high (CVSS 10.0). Multiple stack-based buffer overflows in FutureSoft TFTP Server Evaluation Version 1.0.0.1 allow remote attackers to execute arbitrary code via a long (1) filename or (2) transfer mode string in a Read Request (RRQ) or Write Request (WRQ) p

How urgent is CVE-2005-1812?

Priority 65/100. Critical severity; EPSS top 1%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2007-1645 HIGH 10.0 MITIGATE Buffer overflow in FutureSoft TFTP Server 2000 on Microsoft Windows 2000 SP4 allows remote attackers to execut
CVE-2005-1813 HIGH 7.8 DOWNGRADE Directory traversal vulnerability in FutureSoft TFTP Server Evaluation Version 1.0.0.1 allows remote attackers

References

← Back to latest CVEs