CVE-2018-21216

8.8 highEPSS 0.7%

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, D6100 before 1.0.0.56, and R6100 before 1.0.1.20.

Severity

CVSS 3.1

8.8 high

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)
CWE: CWE-120
Published: 2020-04-28
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

netgear:d3600_firmware
netgear:d6000_firmware
netgear:d6100_firmware
netgear:r6100_firmware

References

https://kb.netgear.com/000055121/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2485
https://kb.netgear.com/000055121/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2485

Check your stack JSON