CVE-2006-0328: Format string vulnerability in Tftpd32 2.81 allows remote attackers to cause a denial of service via format st

This month

MEDIUM 5.0DOWNGRADE

CVE-2006-0328 is a medium-severity flaw (CVSS 5.0) affecting tftpd32. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Format string vulnerability in Tftpd32 2.81 allows remote attackers to cause a denial of service via format string specifiers in a filename in a (1) GET or (2) SEND request.

Why this priority

EPSS top 5%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	7.6% (top 5%)
CISA exploited list	No
Published	2006-01-21
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: philippe jounin

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

Am I affected?

Timeline

2006-01-21 00:03 UTCPublished CVE record published
2026-06-16 22:20 UTCUpdated Record last modified

philippe jounin tftpd32 DOWNGRADE

Affected: 2.81

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.81

1. Check installed version

apt-cache policy tftpd32 || rpm -q tftpd32 || tftpd32 --version

2. No fixed release: DOWNGRADE to a release before 2.81 (Debian / Ubuntu)

apt-cache madison tftpd32 sudo apt install tftpd32=<VERSION_BEFORE_2.81> sudo apt-mark hold tftpd32

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

dnf --showduplicates list tftpd32 sudo dnf downgrade tftpd32-<VERSION_BEFORE_2.81> sudo dnf versionlock add tftpd32

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: TFTPD32 2.81 - GET Format String Denial of Service (PoC)

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-2006-0328?

tftpd32: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-0328 being exploited?

CVE-2006-0328 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-2006-0328 affect?

CVE-2006-0328 affects tftpd32. Severity is medium (CVSS 5.0). Format string vulnerability in Tftpd32 2.81 allows remote attackers to cause a denial of service via format string specifiers in a filename in a (1) GET or (2) SEND request.

How urgent is CVE-2006-0328?

Priority 46/100. EPSS top 5%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2013-6809 MEDIUM 5.0 UPGRADE Format string vulnerability in the client in Tftpd32 before 4.50 allows remote servers to cause a denial of se
CVE-2006-6141 MEDIUM 5.0 DOWNGRADE Buffer overflow in Tftpd32 3.01 allows remote attackers to cause a denial of service via a long GET or PUT req
CVE-2005-4883 MEDIUM 4.3 UPGRADE Race condition in Philippe Jounin Tftpd32 before 2.80 allows remote attackers to cause a denial of service (da
CVE-2005-4882 MEDIUM 5.0 UPGRADE tftpd in Philippe Jounin Tftpd32 2.74 and earlier, as used in Wyse Simple Imager (WSI) and other products, all
CVE-2002-2353 MEDIUM 6.4 DOWNGRADE tftpd32 2.50 and 2.50.2 allows remote attackers to read or write arbitrary files via a full pathname in GET an

References

← Back to latest CVEs