CVE-2007-1435: Buffer overflow in D-Link TFTP Server 1.0 allows remote attackers to cause a denial of service (crash) via a l

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HIGH 10.0DOWNGRADE

CVE-2007-1435 is a high-severity flaw (CVSS 10.0) affecting tftp server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in D-Link TFTP Server 1.0 allows remote attackers to cause a denial of service (crash) via a long (1) GET or (2) PUT request, which triggers memory corruption. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

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	45.8% (top 1%)
CISA exploited list	No
Published	2007-03-13
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: d-link

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

Am I affected?

Timeline

2007-03-13 19:19 UTCPublished CVE record published
2026-06-16 22:37 UTCUpdated Record last modified

d-link tftp server DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison tftp-server sudo apt install tftp-server=<VERSION_BEFORE_1.0> sudo apt-mark hold tftp-server

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

dnf --showduplicates list tftp-server sudo dnf downgrade tftp-server-<VERSION_BEFORE_1.0> sudo dnf versionlock add tftp-server

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: D-Link TFTP 1.0 - Transporting Mode Remote Buffer Overflow
Exploit-DB: D-Link TFTP 1.0 - 'Filename' Remote Buffer Overflow (Metasploit)
Metasploit: D-Link TFTP 1.0 Long Filename Buffer 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-2007-1435?

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

Is CVE-2007-1435 being exploited?

CVE-2007-1435 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-2007-1435 affect?

CVE-2007-1435 affects tftp server. Severity is high (CVSS 10.0). Buffer overflow in D-Link TFTP Server 1.0 allows remote attackers to cause a denial of service (crash) via a long (1) GET or (2) PUT request, which triggers memory corruption. NOTE: the provenance of this information is unknown; the detail

How urgent is CVE-2007-1435?

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

Software pages

D-Link vulnerabilities

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References

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