CVE intelligence and bounded remediation

CVE-2025-4147 — A vulnerability has been found in Netgear EX6200 1.0.3.94 and classified as critical

Critical CVSS 9.8

A vulnerability has been found in Netgear EX6200 1.0.3.94 and classified as critical. Affected by this vulnerability is the function sub_47F7C. The manipulation of the argument host leads to buffer overflow. The attack can be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Severity
Critical
CVSS
9.8 (3.1)
Published
2025-05-01
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-119, CWE-120

Affected products

  • netgear / ex6200_firmware / 1.0.3.94

Matched remediation archetype

Buffer bounds, memory safety, and memory corruption

This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.

Check exposure

  • Identify affected native-code versions, build flags, architectures, parsers, codecs, drivers, and input paths in all shipped artifacts.
  • Determine whether untrusted data reaches the affected routine and the process privilege, sandbox, and network exposure.
  • Confirm statically linked, vendored, firmware, and platform-provided copies, not only package-manager records.

Remediate safely

  • Apply the maintained upstream correction or replace the affected component, then rebuild every dependent artifact from clean inputs.
  • Adopt bounds-checked interfaces, validated sizes and integer conversions, clear ownership, and memory-safe components where practical.
  • Enable supported compiler and runtime hardening and add sanitized tests and fuzz regression seeds derived from non-weaponized fixtures.

Authoritative sources

Complete CVE record and remediation plan

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