CVE-2013-6809

CVE-2013-6809 is a medium-severity vulnerability in Philippe Jounin Tftpd32 with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-134.

Key facts

• Severity: Medium (CVSS 2.0 base score 5.0)
• EPSS exploit prediction: 3% (85th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-134
• Affected product: Philippe Jounin Tftpd32
• Published: 2013-12-13
• Last modified: 2026-06-17

Description

Format string vulnerability in the client in Tftpd32 before 4.50 allows remote servers to cause a denial of service (crash) or possibly execute arbitrary code via format string specifiers in the Remote File field.

Frequently asked questions

What is CVE-2013-6809?

Format string vulnerability in the client in Tftpd32 before 4.50 allows remote servers to cause a denial of service (crash) or possibly execute arbitrary code via format string specifiers in the Remote File field.

How severe is CVE-2013-6809?

CVE-2013-6809 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2013-6809 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-6809?

CVE-2013-6809 primarily affects Philippe Jounin Tftpd32. In total, 42 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-6809?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-6809 published?

CVE-2013-6809 was published on 2013-12-13 and last updated on 2026-06-17.

References

• http://osvdb.org/100511
• http://packetstormsecurity.com/files/124275/Tftpd32-Client-Side-Format-String.html
• http://seclists.org/fulldisclosure/2013/Dec/15
• https://exchange.xforce.ibmcloud.com/vulnerabilities/89455

Affected products (42)

• cpe:2.3:a:philippe_jounin:tftpd32:*:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:1.0:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:1.1:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:2.0:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:2.1:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:2.2:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:2.11:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:2.21:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:2.51:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:2.52:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:2.53:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:2.54:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:2.60:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:2.62:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:2.70:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:2.71:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:2.72:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:2.73:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:2.74:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:2.80:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:2.81:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:2.82:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:2.83:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:2.84:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:3.00:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:3.01:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:3.02:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:3.03:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:3.10:beta:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:3.20:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:3.22:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:3.23:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:3.26:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:3.27:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:3.28:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:3.29:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:3.31:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:3.33:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:3.34:*:*:*:*:*:*:*
• cpe:2.3:a:philippe_jounin:tftpd32:3.35:*:*:*:*:*:*:*

More vulnerabilities in Philippe Jounin Tftpd32

• CVE-2005-4882 — Medium (CVSS 5.0): tftpd in Philippe Jounin Tftpd32 2.74 and earlier, as used in Wyse Simple Imager (WSI) and other products, allows…
• CVE-2006-6141 — Medium (CVSS 5.0): Buffer overflow in Tftpd32 3.01 allows remote attackers to cause a denial of service via a long GET or PUT request,…
• CVE-2006-0328 — Medium (CVSS 5.0): Format string vulnerability in Tftpd32 2.81 allows remote attackers to cause a denial of service via format string…
• CVE-2005-4883 — Medium (CVSS 4.3): Race condition in Philippe Jounin Tftpd32 before 2.80 allows remote attackers to cause a denial of service (daemon…

All CVEs affecting Philippe Jounin Tftpd32 →

Other CWE-134 vulnerabilities

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• CVE-2012-0242 — Critical (CVSS 10.0): Format string vulnerability in Advantech/BroadWin WebAccess before 7.0 allows remote attackers to execute arbitrary…
• CVE-2011-2475 — Critical (CVSS 10.0): Format string vulnerability in ECTrace.dll in the iMailGateway service in the Internet Mail Gateway in OneBridge Server…
• CVE-2011-1568 — Critical (CVSS 10.0): Format string vulnerability in the logText function in shmemmgr9.dll in IGSSdataServer.exe 9.00.00.11074, and…
• CVE-2010-4235 — Critical (CVSS 10.0): Format string vulnerability in RealNetworks Helix Server 12.x, 13.x, and 14.x before 14.2, and Helix Mobile Server…
• CVE-2011-0270 — Critical (CVSS 10.0): Format string vulnerability in nnmRptConfig.exe in HP OpenView Network Node Manager (OV NNM) 7.51 and 7.53 allows…

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