Security readout for executives and security teams
Plain-English summary
Some NETGEAR ReadyNAS OS 6 devices before version 6.8.0 can store malicious script content. The CVSS score is medium, but impact depends on an attacker already having high privileges and a user being tricked into interaction. Treat this as a cleanup and hardening priority for any legacy ReadyNAS estate.
Executive priority
Moderate priority: address during normal vulnerability remediation, but escalate if ReadyNAS devices support critical backup, file storage, or administrative workflows. The main concern is legacy exposure, not confirmed exploitation from the provided evidence.
Technical view
CVE-2017-18813 is a stored cross-site scripting issue in NETGEAR ReadyNAS OS 6 versions earlier than 6.8.0. The CVSS 3.0 vector indicates local attack vector, low complexity, high privileges required, user interaction required, changed scope, and low confidentiality, integrity, and availability impact.
Likely exposure
Exposure is likely limited to organizations still running NETGEAR ReadyNAS OS 6 below 6.8.0. The source bundle does not identify specific models beyond ReadyNAS OS 6 devices, so asset validation should use the NETGEAR advisory and device version data.
Exploitation context
The provided sources do not show known active exploitation, and the CVE is not listed as KEV in the bundle. Exploitation appears constrained by high privileges and required user interaction, but stored XSS can still matter on shared or administrator-used systems.
Researcher notes
The public bundle is sparse: it confirms product family, affected version boundary, CVSS vector, and vendor advisory. It does not provide detailed vulnerable parameters, exploit status, or model list in the embedded CVE metadata. Avoid assuming broader NETGEAR impact without advisory confirmation.
Mitigation direction
- Upgrade affected ReadyNAS OS 6 systems to version 6.8.0 or later.
- Review the NETGEAR advisory for any model-specific update guidance.
- Restrict ReadyNAS administrative access to trusted users and networks.
- Prioritize devices that remain in operational or backup workflows.
Validation and detection
- Inventory NETGEAR ReadyNAS OS 6 devices in the environment.
- Confirm each device firmware version is 6.8.0 or later.
- Map any pre-6.8.0 device to the NETGEAR advisory.
- Verify update completion and document remaining exceptions.
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-2017-18813 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/000049052/Security-Advisory-for-Stored-Cross-Site-Scripting-Vulnerability-on-Some-ReadyNAS-Devices-PSV-2017-0296CVE 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.