Security readout for executives and security teams
Plain-English summary
Some NETGEAR ReadyNAS OS 6 devices before version 6.8.0 can store malicious web content in the device interface. If a privileged user later views the affected page, browser-side actions could affect confidentiality, integrity, and availability at a limited level. This is a legacy appliance risk, not evidence of broad active exploitation.
Executive priority
Treat this as a moderate-priority legacy appliance remediation item. Prioritize systems below ReadyNAS OS 6.8.0 that support business-critical storage or have broadly reachable management access.
Technical view
CVE-2017-18815 is a stored XSS issue in NETGEAR ReadyNAS OS 6 versions prior to 6.8.0. CVSS 3.0 score is 5.2 with local attack vector, low complexity, high privileges required, user interaction required, changed scope, and low CIA impact.
Likely exposure
Exposure is most likely in environments still operating NETGEAR ReadyNAS OS 6 appliances below 6.8.0, especially where privileged users access the management interface. The provided data does not enumerate specific models or CPEs.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation. Risk is constrained by high privileges, local attack vector, and required user interaction, but stored XSS can persist until triggered by a later interface view.
Researcher notes
The bundle identifies stored XSS but does not include the affected endpoint, model list, proof of concept, or detailed remediation notes beyond the pre-6.8.0 version boundary. Avoid assuming internet exploitability from the provided CVSS vector.
Mitigation direction
- Upgrade affected ReadyNAS OS 6 devices to version 6.8.0 or later.
- Review the NETGEAR advisory for supported model-specific guidance.
- Restrict management interface access to trusted administrative networks.
- Retire unsupported ReadyNAS devices that cannot receive fixed firmware.
Validation and detection
- Inventory all NETGEAR ReadyNAS OS 6 appliances.
- Confirm firmware versions are 6.8.0 or later.
- Check whether management interfaces are reachable from untrusted networks.
- Review administrative access patterns for unexpected privileged activity.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2017-18815 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.2 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AC:L/AV:L/A:L/C:L/I:L/PR:H/S:C/UI:R
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AC:L/AV:L/A:L/C:L/I:L/PR:H/S:C/UI:R1.13.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.2MediumVector: CVSS:3.0/AC:L/AV:L/A:L/C:L/I:L/PR:H/S:C/UI:R
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.netgear.com/000049050/Security-Advisory-for-Stored-Cross-Site-Scripting-Vulnerability-on-Some-ReadyNAS-devices-PSV-2017-0291CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.