CVE-2017-18820
NETGEAR ReadyNAS OS 6 devices running ReadyNAS OS versions prior to 6.8.0 are affected by stored...
NETGEAR ReadyNAS OS 6 devices running ReadyNAS OS versions prior to 6.8.0 are affected by stored XSS.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
NETGEAR ReadyNAS OS 6 devices running ReadyNAS OS versions prior to 6.8.0 are affected by stored XSS.
- Record
CVE-2017-18820- CVSS 3.0
- 5.2 Medium
CVSS:3.0/AC:L/AV:L/A:L/C:L/I:L/PR:H/S:C/UI:R - Updated
- 2026-11-02
EUVDEUVD-2017-9911
NETGEAR ReadyNAS OS 6 devices running ReadyNAS OS versions prior to 6.8.0 are affected by stored XSS.
- Record
EUVD-2017-9911- CVSS 3.0
- 5.2 Medium
CVSS:3.0/AC:L/AV:L/A:L/C:L/I:L/PR:H/S:C/UI:R - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j5fc-76g4-5m5m No score
NETGEAR ReadyNAS OS 6 devices running ReadyNAS OS versions prior to 6.8.0 are affected by stored...
NETGEAR ReadyNAS OS 6 devices running ReadyNAS OS versions prior to 6.8.0 are affected by stored XSS.
- Record
GHSA-j5fc-76g4-5m5m- Updated
- 2026-11-02
NVD
NETGEAR ReadyNAS OS 6 devices running ReadyNAS OS versions prior to 6.8.0 are affected by stored XSS.
- Record
CVE-2017-18820- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - CVSS 3.0
- 5.2 Medium
CVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-18820 is a medium vulnerability (CVSS 5.2) in Netgear Readynas Os, published April 21, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.48%, the 41st percentile. No source names a fixed version.