THREATPORT/VULNERABILITY/CVE-2009-3962
HIGH SEVERITY

CVE-2009-3962

1700hg vulnerability

CVSS
7.8
EPSS
3.0%
EPSS pct
86th
Exploited
No known
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.
Affected vendor
2wire
Affected product
1700hg
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness type (CWE)
  • CWE-20 — Improper Input Validation
Published
2009-11-17

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to complete impact to availability.

Its EPSS score of 3.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 86% of all scored CVEs.

Check your external exposure to CVE-2009-3962

  • Confirm whether 2wire 1700hg is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2009-3962.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2009-3962

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2009-3962 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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