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CVE Record

CVE-2017-18854: NETGEAR ReadyNAS 6.6.1 and earlier is affected by command injection.

NETGEAR ReadyNAS 6.6.1 and earlier is affected by command injection.

MediumCVSS 6.7Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2017-18854 is an operating system command injection issue affecting NETGEAR ReadyNAS OS 6 storage systems running 6.6.1 or earlier. The supplied CVSS vector indicates an attacker needs local access and high privileges, but successful abuse could seriously affect confidentiality, integrity, and availability.

Executive priority

Treat as a focused remediation item for legacy ReadyNAS storage, especially where sensitive data is stored. It is not currently evidenced as actively exploited here, but high potential impact justifies timely inventory and vendor-guided remediation.

Technical view

The CVE describes command injection in NETGEAR ReadyNAS 6.6.1 and earlier. CVSS 3.0 scores it 6.7 with local attack vector, low complexity, high privileges required, no user interaction, unchanged scope, and high C/I/A impact. Structured affected CPE data is not provided in the bundle.

Likely exposure

Organizations with NETGEAR ReadyNAS OS 6 storage systems at version 6.6.1 or earlier may be exposed. The CVSS vector supports local, high-privilege exposure, not unauthenticated remote exposure.

Exploitation context

The supplied sources do not show CISA KEV listing or active exploitation. The risk is still meaningful because command injection on storage infrastructure can affect stored data and service availability when privileged local access exists.

Researcher notes

Evidence is limited: the CVE has no structured affected vendor, product, CPE, or CWE entries in the supplied bundle. The vendor advisory reference and CVE title tie the issue to NETGEAR ReadyNAS OS 6 storage systems.

Mitigation direction

  • Inventory NETGEAR ReadyNAS OS 6 systems and record firmware versions.
  • Check NETGEAR advisory PSV-2017-2002 for supported fixes or mitigations.
  • Prioritize upgrade or remediation for systems running 6.6.1 or earlier.
  • Limit administrative and local access to ReadyNAS management surfaces.
  • Review privileged accounts and remove unnecessary access.

Validation and detection

  • Confirm whether any ReadyNAS OS 6 systems run 6.6.1 or earlier.
  • Compare affected systems against NETGEAR advisory PSV-2017-2002.
  • Verify local and administrative access is restricted to approved personnel.
  • Check vulnerability management records for remediation status.
  • Record that KEV evidence is absent in the supplied bundle.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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.

description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2017-18854 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.7 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AC:L/AV:L/A:H/C:H/I:H/PR:H/S:U/UI:N

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
6.7CVSS 3.0MediumCVSS:3.0/AC:L/AV:L/A:H/C:H/I:H/PR:H/S:U/UI:N0.85.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

6.7Medium
CVSS 3.0 vector shape for CVE-2017-18854Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AC:L/AV:L/A:H/C:H/I:H/PR:H/S:U/UI:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.