How severe is CVE-2009-2256?

CVE-2009-2256 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2009-2256 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-2256?

CVE-2009-2256 affects Netgear Dg632. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-2256?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2009-2256 published?

CVE-2009-2256 was published on 2009-06-30 and last updated on 2026-06-16.

CVE-2009-2256

CVE-2009-2256 is a high-severity vulnerability in Netgear Dg632 with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 7% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Netgear Dg632
Published: 2009-06-30
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2009-2256?: 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.
How severe is CVE-2009-2256?: CVE-2009-2256 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2009-2256 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-2256?: CVE-2009-2256 affects Netgear Dg632. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-2256?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2009-2256 published?: CVE-2009-2256 was published on 2009-06-30 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:h:netgear:dg632:3.4.0_ap:*:*:*:*:*:*:*

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