Security readout for executives and security teams
Plain-English summary
This CVE covers a security misconfiguration in NETGEAR ReadyNAS OS 6 devices running versions before 6.8.0. The recorded impact is limited to low confidentiality exposure, with no integrity or availability impact. The local attack vector reduces broad internet-driven urgency, but exposed or shared NAS systems should still be remediated.
Executive priority
Prioritize as a moderate operational cleanup item, not an emergency. Patch or isolate affected NAS devices during the next maintenance window, with faster action for systems used by many internal users or sensitive file repositories.
Technical view
CVE-2017-18819 is described as incorrect configuration of security settings in ReadyNAS OS 6 before 6.8.0. CVSS v3.0 is 4.0: local attack vector, low complexity, no privileges, no user interaction, unchanged scope, low confidentiality impact only. The source bundle does not include CWE mapping or implementation details.
Likely exposure
Exposure is limited to organizations operating NETGEAR ReadyNAS OS 6 appliances on versions earlier than 6.8.0. Risk is higher where many local users, shared administrative environments, or untrusted internal access exist.
Exploitation context
The provided sources do not show active exploitation, and the CVE is not listed as KEV in the bundle. CVSS indicates local access is required, but no privileges or user interaction are required once local access exists.
Researcher notes
Evidence is sparse. The bundle identifies the product family, affected version boundary, CVSS vector, and NETGEAR advisory, but does not describe the exact misconfiguration, affected models, exploit mechanics, or independent exploitation reports.
Mitigation direction
- Identify ReadyNAS OS 6 appliances in the environment.
- Check each device version against NETGEAR advisory guidance.
- Update affected devices to ReadyNAS OS 6.8.0 or later where supported.
- Restrict local and administrative access to trusted users only.
- Monitor NETGEAR guidance for device-specific support constraints.
Validation and detection
- Confirm every ReadyNAS OS 6 device reports version 6.8.0 or later.
- Document unsupported or unpatched devices as accepted or mitigated risk.
- Review local user access to NAS systems for unnecessary accounts.
- Verify NAS administrative access is limited to trusted networks.
- Track remediation evidence in vulnerability management records.
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-2017-18819 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
- 4 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AC:L/AV:L/A:N/C:L/I:N/PR:N/S:U/UI:N
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:N/C:L/I:N/PR:N/S:U/UI:N2.51.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
4MediumVector: CVSS:3.0/AC:L/AV:L/A:N/C:L/I:N/PR:N/S:U/UI:N
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.netgear.com/000049046/Security-Advisory-for-Security-Misconfiguration-Vulnerability-on-Some-ReadyNAS-devices-PSV-2017-0289CVE 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.