SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-21196

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user.

MEDIUM 6.8EPSS 0.60%

Does this matter?

Lower severity and a low EPSS score (0.60%). Track it; it rarely justifies an emergency change on its own.

Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D6100 before 1.0.0.57, R6100 before 1.0.1.20, R7800 before 1.0.2.40, R9000 before 1.0.2.52, WNDR3700v4 before 1.0.2.92, WNDR4300 before 1.0.2.94, and WNR2000v5 before 1.0.0.62.

CVSS 3.1
6.8 MEDIUMCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
0.60% probability · 48th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-787
Affected
netgear/d6100 firmware · netgear/r6100 firmware · netgear/r7800 firmware · netgear/r9000 firmware · netgear/wndr3700 firmware · netgear/wndr4300 firmware · netgear/wnr2000 firmware
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 0.60%27 October 202627 October 2026

EPSS 0.6% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.