How severe is CVE-2009-3962?

CVE-2009-3962 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2009-3962 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-3962?

CVE-2009-3962 primarily affects 2wire 1700hg. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-3962?

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-2009-3962 published?

CVE-2009-3962 was published on 2009-11-17 and last updated on 2026-06-16.

CVE-2009-3962

CVE-2009-3962 is a high-severity vulnerability in 2wire 1700hg 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: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: 2wire 1700hg
Published: 2009-11-17
Last modified: 2026-06-16

Description

The management interface on the 2wire Gateway 1700HG, 1701HG, 1800HW, 2071, 2700HG, and 2701HG-T with software before 5.29.52 allows remote attackers to cause a denial of service (reboot) via a %0d%0a sequence in the page parameter to the xslt program on TCP port 50001, a related issue to CVE-2006-4523.

Frequently asked questions

What is CVE-2009-3962?: The management interface on the 2wire Gateway 1700HG, 1701HG, 1800HW, 2071, 2700HG, and 2701HG-T with software before 5.29.52 allows remote attackers to cause a denial of service (reboot) via a %0d%0a sequence in the page parameter to the xslt program on TCP port 50001, a related issue to CVE-2006-4523.
How severe is CVE-2009-3962?: CVE-2009-3962 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2009-3962 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-3962?: CVE-2009-3962 primarily affects 2wire 1700hg. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-3962?: 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-2009-3962 published?: CVE-2009-3962 was published on 2009-11-17 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:h:2wire:1700hg:*:*:*:*:*:*:*:*
cpe:2.3:h:2wire:1701hg:*:*:*:*:*:*:*:*
cpe:2.3:h:2wire:1800hw:*:*:*:*:*:*:*:*
cpe:2.3:h:2wire:2071:*:*:*:*:*:*:*:*
cpe:2.3:h:2wire:2700hg:*:*:*:*:*:*:*:*
cpe:2.3:h:2wire:2701hg-t:*:*:*:*:*:*:*:*

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