Security readout for executives and security teams
Plain-English summary
This issue affects NETGEAR ReadyNAS OS 6 devices running versions before 6.8.0. It is a stored cross-site scripting flaw, meaning malicious script content could persist in the device interface and run when a user views it. Business risk is moderate because exploitation conditions are constrained, but affected storage appliances should be updated.
Executive priority
Treat as a routine but necessary remediation item for legacy NAS assets. Prioritize internet-exposed or broadly accessible management interfaces first, then complete firmware validation across remaining appliances.
Technical view
CVE-2017-18812 is stored XSS in NETGEAR ReadyNAS OS 6 before 6.8.0. The CVSS v3.0 score is 5.2 with local attack vector, low complexity, high privileges required, user interaction required, changed scope, and low confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely in organizations still operating NETGEAR ReadyNAS OS 6 appliances below version 6.8.0, especially where administrative access to the management interface is broadly available.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. The CVSS vector indicates exploitation requires local access, high privileges, and user interaction, which reduces broad internet-scale risk.
Researcher notes
Structured affected-product data in the bundle is incomplete, with vendor and product listed as n/a. Analysis relies on the CVE description, CVSS vector, KEV flag, and NETGEAR advisory reference.
Mitigation direction
- Upgrade ReadyNAS OS 6 devices to version 6.8.0 or later.
- Review the NETGEAR advisory for device-specific guidance.
- Restrict management interface access to trusted administrators.
- Remove or isolate unsupported ReadyNAS appliances if updates are unavailable.
Validation and detection
- Inventory all NETGEAR ReadyNAS OS 6 appliances.
- Confirm each appliance firmware version is 6.8.0 or later.
- Check whether management interfaces are limited to trusted networks.
- Review administrative accounts for unnecessary privileged access.
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-2017-18812 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/000049053/Security-Advisory-for-Stored-Cross-Site-Scripting-Vulnerability-on-Some-ReadyNAS-Devices-PSV-2017-0298CVE 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.