CVE-2009-0289: k23productions TFTPUtil GUI 1.2.0 and 1.3.0 allows remote attackers to cause a denial of service (service cras

Routine

MEDIUM 5.0DOWNGRADE

CVE-2009-0289 is a medium-severity flaw (CVSS 5.0) affecting tftputil. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

k23productions TFTPUtil GUI 1.2.0 and 1.3.0 allows remote attackers to cause a denial of service (service crash) via a long filename in a crafted request.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	2.2% (top 18%)
CISA exploited list	No
Weakness	CWE-20
Published	2009-01-27
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: windows tftp utility

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

Am I affected?

Timeline

2009-01-27 19:30 UTCPublished CVE record published
2026-06-16 23:04 UTCUpdated Record last modified

windows tftp utility tftputil DOWNGRADE

Affected: 1.2.0 · 1.3.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.2.0

1. Check installed version

apt-cache policy tftputil || rpm -q tftputil || tftputil --version

2. No fixed release: DOWNGRADE to a release before 1.2.0 (Debian / Ubuntu)

apt-cache madison tftputil sudo apt install tftputil=<VERSION_BEFORE_1.2.0> sudo apt-mark hold tftputil

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

dnf --showduplicates list tftputil sudo dnf downgrade tftputil-<VERSION_BEFORE_1.2.0> sudo dnf versionlock add tftputil

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.

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-2009-0289?

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

Is CVE-2009-0289 being exploited?

CVE-2009-0289 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-2009-0289 affect?

CVE-2009-0289 affects tftputil. Severity is medium (CVSS 5.0). k23productions TFTPUtil GUI 1.2.0 and 1.3.0 allows remote attackers to cause a denial of service (service crash) via a long filename in a crafted request.

How urgent is CVE-2009-0289?

Priority 38/100. No elevated risk signals yet.

Software pages

Windows vulnerabilities

Related CVEs

CVE-2009-0288 MEDIUM 5.0 DOWNGRADE Directory traversal vulnerability in k23productions TFTPUtil GUI 1.2.0 and 1.3.0 allows remote attackers to re

References

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