CVE-2009-2256

Netgear DG632 3.4.0_ap - Denial of Service via Firmware Configuration CGI Endpoint

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2009-2256. PoCs published by Tom Neaves.

AI-analyzed exploit summary This is a writeup describing a Denial of Service (DoS) vulnerability in the Netgear DG632 router. The vulnerability is triggered by sending a HTTP POST request to the '/cgi-bin/firmwarecfg' endpoint, causing the web interface to crash and become inaccessible until a physical restart.

Description

The administrative web interface on the Netgear DG632 with firmware 3.4.0_ap allows remote attackers to cause a denial of service (web outage) via an HTTP POST request to cgi-bin/firmwarecfg.

Exploits (1)

exploitdb WRITEUP VERIFIED
by Tom Neaves · textdoshardware
https://www.exploit-db.com/exploits/8964

This is a writeup describing a Denial of Service (DoS) vulnerability in the Netgear DG632 router. The vulnerability is triggered by sending a HTTP POST request to the '/cgi-bin/firmwarecfg' endpoint, causing the web interface to crash and become inaccessible until a physical restart.

Classification
Writeup 100%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Netgear DG632 Router with Firmware V3.4.0_ap
No auth needed
Prerequisites: Network access to the router's web interface · Remote Management feature enabled if attacking over the Internet
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/504345/100/0/threaded
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/504341/100/0/threaded
Exploit, Third Party Advisory exploit x_refsource_exploit-db
http://www.exploit-db.com/exploits/8964
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1022403

Scores

EPSS 0.0744
EPSS Percentile 93.7%

Details

CWE
CWE-20
Status published
Products (1)
netgear/dg632 3.4.0_ap
Published Jun 30, 2009
Tracked Since Feb 18, 2026