NETGEAR ReadyNAS OS 6 devices, running ReadyNAS OS versions prior to 6.8.0 are affected by stored XSS.

published 2020-04-21 6y ago modified 2026-06-17 4mo ago also EUVD-2017-9906

cvss: 5.2; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 41%
public exploits: 0; none known

Patch / fix

fixed in 1 links 1

netgear readynas_os 6.8.0

kb.netgear.com/000049050/Security-Advisory-for-Stored-Cross-Site-Scriptin… advisory

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Exploit prediction

0.48% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	5.2	CVSS:3.0/AC:L/AV:L/A:L/C:L/I:L/PR:H/S:C/UI:R
NVD	3.1	4.8	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CNA	3.0	5.2	CVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
NVD	2.0	3.5	AV:N/AC:M/Au:S/C:N/I:P/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

kb.netgear.com /000049050/Security-Advisory-for-Stored-Cross-Site-Scripting-Vulnerability-on-Some-ReadyNAS-devices-PSV-2017-0
patch, vendor-advisory

Sources

CVE List CVE-2017-18815
NVD CVE-2017-18815

Fencer Intel 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.