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

published 2020-04-16 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-11266

cvss: 6.8; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits: 0; none known

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D6100 before 1.0.0.63, R7800 before 1.0.2.52, R8900 before 1.0.4.2, R9000 before 1.0.4.2, WNDR3700v4 before 1.0.2.102, WNDR4300v1 before 1.0.2.104, WNDR4300v2 before 1.0.0.58, WNDR4500v3 before 1.0.0.58, WNR2000v5 before 1.0.0.68, and XR500 before 2.3.2.32.

Patch / fix

fixed in 9

netgear d6100_firmware 1.0.0.63
netgear r7800_firmware 1.0.2.52
netgear r8900_firmware 1.0.4.2
netgear r9000_firmware 1.0.4.2
netgear wndr3700_firmware 1.0.2.102
netgear wndr4300_firmware 1.0.0.58, 1.0.2.104
netgear wndr4500_firmware 1.0.0.58
netgear wnr2000_firmware 1.0.0.68
netgear xr500_firmware 2.3.2.32

Exploit prediction

0.74% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).

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-77 Improper Neutralization of Special Elements used in a Command

References

kb.netgear.com /000061201/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-Gateways-PSV-2018-0
vendor-advisory

Sources

CVE List CVE-2019-20727
NVD CVE-2019-20727

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary