NETGEAR ReadyNAS devices before 6.6.1 are affected by command injection.

published 2020-04-29 6y ago modified 2026-06-17 4mo ago also EUVD-2017-9947

cvss: 6.7; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 46%
public exploits: 0; none known

Patch / fix

fixed in 1

netgear readynas_os_firmware 6.6.1

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Exploit prediction

0.55% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	6.7	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	4.6	AV:L/AC:L/Au:N/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 /000044333/Security-Advisory-for-Operating-System-Command-Injection-on-ReadyNAS-OS-6-Storage-Systems-PSV-2017-
vendor-advisory

Sources

CVE List CVE-2017-18856
NVD CVE-2017-18856

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