Certain NETGEAR devices are affected by command injection by an authenticated user.

published 2020-04-22 6y ago modified 2026-06-17 4mo ago also EUVD-2018-13630

cvss: 6.8; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits: 0; none known

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D7800 before 1.0.1.44, R7500v2 before 1.0.3.38, R7800 before 1.0.2.52, R8900 before 1.0.4.12, and R9000 before 1.0.4.12.

Patch / fix

fixed in 5

netgear d7800_firmware 1.0.1.44
netgear r7500_firmware 1.0.3.38
netgear r7800_firmware 1.0.2.52
netgear r8900_firmware 1.0.4.12
netgear r9000_firmware 1.0.4.12

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Exploit prediction

0.93% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	6.8	CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:H/S:U/UI:N
NVD	3.1	6.8	CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA	3.0	6.8	CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	5.2	AV:A/AC:L/Au:S/C:P/I:P/A:P

Classification

Weakness

CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

References

kb.netgear.com /000060439/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-Modem-Routers-PSV-2
vendor-advisory

Sources

CVE List CVE-2018-21112
NVD CVE-2018-21112

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