CVE-2009-20009: Belkin Bulldog Plus Web Service Buffer Overflow

Published Aug 30, 2025
·
Updated

Belkin Bulldog Plus version 4.0.2 build 1219 contains a stack-based buffer overflow vulnerability in its web service authentication handler. When a specially crafted HTTP request is sent with an oversized Authorization header, the application fails to properly validate the input length before copying it into a fixed-size buffer, resulting in memory corruption and potential remote code execution. Exploitation requires network access and does not require prior authentication.

Affected Software

1 affected component
Belkin Bulldog Plus

Event History

Aug 30, 2025
CVE Published
via MITRE·01:43 PM
Data Sourced
via MITRE·01:43 PM
DescriptionWeakness
Data Sourced
via NVD·02:15 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2009-20009?

CVE-2009-20009 is classified as a high severity vulnerability due to the potential for remote code execution through stack-based buffer overflow.

2

How do I fix CVE-2009-20009?

To fix CVE-2009-20009, it is recommended to update to a newer version of Belkin Bulldog Plus that addresses this vulnerability.

3

What type of vulnerability is CVE-2009-20009?

CVE-2009-20009 is a stack-based buffer overflow vulnerability found in the web service authentication handler of Belkin Bulldog Plus.

4

What are the potential impacts of CVE-2009-20009?

The impacts of CVE-2009-20009 may include unauthorized access, data corruption, or execution of arbitrary code on affected systems.

5

Who is affected by CVE-2009-20009?

CVE-2009-20009 affects users of Belkin Bulldog Plus version 4.0.2 build 1219 and earlier versions.

Contact

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