Tftp ServerApplication · D Link

CVE-2007-1435

HIGH · 10.0 CVSS v2.0 Published 2007-03-13
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
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.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

Buffer overflow vulnerability in D-Link TFTP Server 1.0 allows remote attackers to cause denial of service via long GET or PUT requests that trigger memory corruption. The vulnerability affects the TFTP service handling file transfer requests.

MitigationIf a vendor patch is available, apply it immediately. Otherwise, disable the TFTP service if not required, or restrict network access to the TFTP port (UDP 69) using firewall rules to prevent untrusted remote access.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Tftp ServerApplication
Affected:= 1.0

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:L/Au:N/C:C/I:C/A:C

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify D-Link TFTP Server installation
    Check installed programs or look for tftpserver.exe on the system. Verify the version number in the program's properties or documentation.
    Affected if D-Link TFTP Server version 1.0 is installed on the system
  2. Confirm TFTP service is running
    Open Windows Services or use command 'sc query' or 'tasklist' to check if a TFTP server process is active.
    Affected if The TFTP service process is currently running on the system
  3. Verify UDP port 69 is listening
    Run 'netstat -an | findstr :69' or use a port scanner to check if UDP port 69 is bound to a listening socket.
    Affected if UDP port 69 is in a LISTENING or ESTABLISHED state indicating the TFTP server is accessible on the network
  4. Check network exposure of TFTP port
    Review firewall rules or network configuration to determine if UDP port 69 is open to untrusted or remote network segments.
    Affected if The TFTP service (UDP 69) is accessible from network addresses outside the trusted local network

A system is affected if D-Link TFTP Server version 1.0 is installed, the TFTP service is running, and the service is exposed to network access where remote attackers could send crafted GET/PUT requests.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

If a vendor patch is available, apply it immediately. Otherwise, disable the TFTP service if not required, or restrict network access to the TFTP port (UDP 69) using firewall rules to prevent untrusted remote access.

Fix this in Tftp Server Scoped from the published advisory
  • Consultation2.0 h
  • Implementation1.0 h
  • Testing2.0 h
  • Review / QA1.0 h
6.0 hours of engineering $1,060
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Scan for this in your stack

Free · runs locally
dbcve dependency scanner

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2007-1435 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
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