THREATPORT/VULNERABILITY/CVE-2017-18046
CRITICAL SEVERITY

CVE-2017-18046

H640x Firmware vulnerability

CVSS
9.8
EPSS
5.0%
EPSS pct
91th
Exploited
No known
Buffer overflow on Dasan GPON ONT WiFi Router H640X 12.02-01121 2.77p1-1124 and 3.03p2-1146 devices allows remote attackers to execute arbitrary code via a long POST request to the login_action function in /cgi-bin/login_action.cgi (aka cgipage.cgi).
Affected vendor
Dasannetworks
Affected product
H640x 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-119 — Improper Restriction of Operations within Memory Bounds
Published
2018-01-21

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 5.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2017-18046

  • Confirm whether Dasannetworks H640x Firmware is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2017-18046.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-18046

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-18046 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2017-18046?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2017-18046.

Start free scan

No credit card. Agentless.

Related vulnerabilities

CRITICAL
CVE-2022-36537
ZK Framework AuUploader Unspecified Vulnerability
CRITICAL
CVE-2022-47986
IBM Aspera Faspex Code Execution Vulnerability
CRITICAL
CVE-2022-41223
Mitel MiVoice Connect Code Injection Vulnerability