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-2019-11261

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 58%
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, DM200 before 1.0.0.58, R7500v2 before 1.0.3.38, R7800 before 1.0.2.52, R8900 before 1.0.4.2, R9000 before 1.0.4.2, RBK20 before 2.3.0.28, RBR20 before 2.3.0.28, RBS20 before 2.3.0.28, RBK50 before 2.3.0.32, RBR50 before 2.3.0.32, RBS50 before 2.3.0.32, RBS40 before 2.3.0.28, 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 17

netgear d7800_firmware 1.0.1.44
netgear dm200_firmware 1.0.0.58
netgear r7500_firmware 1.0.3.38
netgear r7800_firmware 1.0.2.52
netgear r8900_firmware 1.0.4.2
netgear r9000_firmware 1.0.4.2
netgear rbk20_firmware 2.3.0.28
netgear rbr20_firmware 2.3.0.28
netgear rbs20_firmware 2.3.0.28
netgear rbk50_firmware 2.3.0.32
netgear rbr50_firmware 2.3.0.32
netgear rbs50_firmware 2.3.0.32
netgear rbs40_firmware 2.3.0.28
netgear wndr4300_firmware 1.0.0.58
netgear wndr4500_firmware 1.0.0.58
netgear wnr2000_firmware 1.0.0.68
netgear xr500_firmware 2.3.2.32

Exploit prediction

0.85% chance of exploitation in the next 30 days, higher than 58% 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 /000061206/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-Gateways-and-WiFi-Syste
vendor-advisory

Sources

CVE List CVE-2019-20722
NVD CVE-2019-20722

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