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

published 2021-08-11 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-24978

cvss: 9.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 2.0%; EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits: 0; none known

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects D8500 before 1.0.3.58, R6900P before 1.3.2.132, R7000P before 1.3.2.132, R7100LG before 1.0.0.64, WNDR3400v3 before 1.0.1.38, and XR300 before 1.0.3.56.

Patch / fix

fixed in 6

netgear d8500_firmware 1.0.3.58
netgear r6900p_firmware 1.3.2.132
netgear r7000p_firmware 1.3.2.132
netgear r7100lg_firmware 1.0.0.64
netgear wndr3400_firmware 1.0.1.38
netgear xr300_firmware 1.0.3.56

Exploit prediction

2.00% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.6	CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:C/UI:N
CNA	3.1	9.6	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	10.0	AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness

CWE-77 Improper Neutralization of Special Elements used in a Command

References

kb.netgear.com /000063781/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Gateways-and-Routers-PSV-2020-02
vendor-advisory

Sources

CVE List CVE-2021-38528
NVD CVE-2021-38528

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