SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-21162

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker.

CRITICAL 9.8EPSS 3.44%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.44%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects D6400 before 1.0.0.78, EX6200 before 1.0.3.86, EX7000 before 1.0.0.64, R6250 before 1.0.4.8, R6300v2 before 1.0.4.6, R6400 before 1.0.1.12, R6700 before 1.0.1.16, R7000 before 1.0.7.10, R7100LG before 1.0.0.42, R7300DST before 1.0.0.44, R7900 before 1.0.1.12, R8000 before 1.0.3.36, R8300 before 1.0.2.74, R8500 before 1.0.2.74, WNDR3400v3 before 1.0.1.14, and WNR3500Lv2 before 1.2.0.48.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
3.44% probability · 89th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-78
Affected
netgear/d6400 firmware · netgear/ex6200 firmware · netgear/ex7000 firmware · netgear/r6250 firmware · netgear/r6300 firmware · netgear/r6400 firmware · netgear/r6700 firmware · netgear/r7000 firmware · netgear/r7100lg firmware · netgear/r7300dst firmware · netgear/r7900 firmware · netgear/r8000 firmware · netgear/r8300 firmware · netgear/r8500 firmware · netgear/wndr3400 firmware · netgear/wnr3500l firmware
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 3.44%27 October 202627 October 2026

EPSS 3.4% 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.

References

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