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CVE-2009-2256

32
FAUCET Score

CVE-2009-2256 describes a denial-of-service vulnerability affecting the Netgear DG632 router with firmware 3.4.0_ap. An unauthenticated remote attacker can exploit this flaw by sending a crafted HTTP POST request to the cgi-bin/firmwarecfg administrative web interface, leading to a web outage. This vulnerability has a high CVSS score of 7.8, indicating a critical impact due to its network-based attack vector, low attack complexity, and complete availability impact. While not listed on the CISA KEV catalog, exploit code is publicly available on ExploitDB, though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
3.4.0_apCPE matchmatch criteria
cpe:2.3:h:netgear:dg632:3.4.0_ap:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
7.44%
Probability of exploitation in next 30 days
EPSS Percentile
93.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-8964 · Jun 15, 2009
This CVE's current EPSS score of 0.0744 is in the 90th percentile among its peer group of 51,551 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

securitytracker.com / id
exploit-db.com / exploits/8964
securityfocus.com / archive/1/504341/100/0/threaded
securityfocus.com / archive/1/504345/100/0/threaded
tomneaves.co.uk / Netgear_DG632_Remote_DoS.txt