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CVE Record

CVE-2017-18843: Certain NETGEAR devices are affected by disclosure of administrative credentials.

Certain NETGEAR devices are affected by disclosure of administrative credentials. This affects R6700v2 before 1.1.0.38, R6800 before 1.1.0.38, and D7000 before 1.0.1.50.

HighCVSS 8.4Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This CVE affects specific NETGEAR router models and can expose administrative credentials on vulnerable firmware. If those credentials are disclosed, an attacker with the required local access could gain powerful control over the device. The main business risk is compromise of network edge equipment in locations still running old firmware.

Executive priority

Treat this as a targeted remediation item for legacy NETGEAR deployments, not a confirmed active exploitation emergency. Prioritize sites where these routers protect sensitive networks or are physically accessible to untrusted users.

Technical view

CVE-2017-18843 is an administrative credential disclosure issue affecting NETGEAR R6700v2 before 1.1.0.38, R6800 before 1.1.0.38, and D7000 before 1.0.1.50. CVSS 3.0 rates it 8.4 with local attack vector, no privileges, no user interaction, and high confidentiality, integrity, and availability impact.

Likely exposure

Exposure is likely limited to organizations or sites still using the named NETGEAR models on firmware older than the fixed versions. The source data does not establish broader product impact or internet-scale exposure.

Exploitation context

The source bundle does not cite CISA KEV listing or public active exploitation. The CVSS vector indicates low attack complexity but local access is required, so risk depends heavily on physical, LAN, or device-local access conditions.

Researcher notes

The provided CVE data names affected models and fixed firmware thresholds but does not include CWE mapping, exploit details, or operational prerequisites beyond the CVSS vector. Affected product fields are normalized as n/a, so rely on the description and NETGEAR advisory for scoping.

Mitigation direction

  • Inventory NETGEAR R6700v2, R6800, and D7000 devices.
  • Update R6700v2 and R6800 to firmware 1.1.0.38 or later.
  • Update D7000 to firmware 1.0.1.50 or later.
  • Check NETGEAR advisory for current firmware availability and guidance.
  • Restrict local and management access to trusted administrators only.

Validation and detection

  • Confirm device model and firmware version from asset records or management interfaces.
  • Flag R6700v2 or R6800 firmware earlier than 1.1.0.38.
  • Flag D7000 firmware earlier than 1.0.1.50.
  • Verify management access is limited to trusted local networks or administrators.
  • Document any unsupported devices requiring replacement or compensating controls.
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

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CVE-2017-18843 mapping review

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Vulnerability profileCVE Program record
Severity
High
CVSS
8.4 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AC:L/AV:L/A:H/C:H/I:H/PR:N/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
8.4CVSS 3.0HighCVSS:3.0/AC:L/AV:L/A:H/C:H/I:H/PR:N/S:U/UI:N2.55.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

8.4High
CVSS 3.0 vector shape for CVE-2017-18843Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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