THREATPORT/VULNERABILITY/CVE-2017-3216
CRITICAL SEVERITY

CVE-2017-3216

Ox350 Firmware vulnerability

CVSS
9.8
EPSS
5.2%
EPSS pct
92th
Exploited
No known
WiMAX routers based on the MediaTek SDK (libmtk) that use a custom httpd plugin are vulnerable to an authentication bypass allowing a remote, unauthenticated attacker to gain administrator access to the device by performing an administrator password change on the device via a crafted POST request.
Affected vendor
Greenpacket
Affected product
Ox350 Firmware
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-306 — Missing Authentication for Critical Function
Published
2017-06-20

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 5.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2017-3216

  • Confirm whether Greenpacket Ox350 Firmware is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2017-3216.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-3216

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-3216 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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