CVE intelligence and bounded remediation

CVE-2017-18779 — Certain NETGEAR devices are affected by a buffer overflow

High CVSS 8.4

Certain NETGEAR devices are affected by a buffer overflow. This affects D6200 before 1.1.00.24, D7000 before 1.0.1.52, JNR1010v2 before 1.1.0.44, JR6150 before 1.0.1.12, JWNR2010v5 before 1.1.0.44, PR2000 before 1.0.0.20, R6020 before 1.0.0.26, R6050 before 1.0.1.12, R6080 before 1.0.0.26, R6120 before 1.0.0.36, R6220 before 1.1.0.60, R6700v2 before 1.2.0.12, R6800 before 1.2.0.12, R6900v2 before 1.2.0.12, WNDR3700v5 before 1.1.0.50, WNR1000v4 before 1.1.0.44, WNR2020 before 1.1.0.44, and WNR2050 before 1.1.0.44.

Severity
High
CVSS
8.4 (3.0)
Published
2020-04-22
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-120

Affected products

  • netgear / d6200_firmware
  • netgear / d7000_firmware
  • netgear / jnr1010_firmware
  • netgear / jr6150_firmware
  • netgear / jwnr2010_firmware
  • netgear / pr2000_firmware

Showing 6 representative product identities from 18 source matches. Confirm exact affected versions with the linked vendor and NVD evidence.

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

The detailed catalog view below loads this exact record, its source evidence, and the full seven-phase agentic change plan.