CVE-2009-20009 Details
Description
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.
A stack-based buffer overflow vulnerability has been identified in Belkin Bulldog Plus version 4.0.2 build 1219. The issue arises in the web service authentication handler, where the application fails to properly validate the length of the Authorization header in incoming HTTP requests. This oversight allows for memory corruption and potentially enables remote code execution. Exploitation of this vulnerability requires network access and does not necessitate prior authentication.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Aug 30, 2025CISA-ADP
Assessed Sep 2, 2025References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-121 | Stack-based Buffer Overflow | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Belkin Bulldog Plus | All versions |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 16, 2026 | CVE Modified | [email protected] |
| Jun 16, 2026 | CVE Modified | CISA-ADP |
| Aug 30, 2025 | New CVE Received | [email protected] |