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CVE Record

CVE-2017-18842: Certain NETGEAR devices are affected by CSRF.

Certain NETGEAR devices are affected by CSRF. This affects R7300 before 1.0.0.54, R8500 before 1.0.2.94, DGN2200v1 before 1.0.0.55, and D2200D/D2200DW-1FRNAS before 1.0.0.32.

HighCVSS 8.8Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2017-18842 is a high-severity cross-site request forgery issue in specific NETGEAR router, DSL gateway, and modem-router firmware versions. If a management user is tricked into an unwanted browser action, device settings could be changed with serious confidentiality, integrity, and availability impact.

Executive priority

Prioritize remediation where these NETGEAR devices protect business networks or remote sites. The issue is high impact, but the provided evidence does not show confirmed active exploitation. Firmware currency and management-plane restrictions are the key business controls.

Technical view

The source bundle identifies CSRF affecting NETGEAR R7300 before 1.0.0.54, R8500 before 1.0.2.94, DGN2200v1 before 1.0.0.55, and D2200D/D2200DW-1FRNAS before 1.0.0.32. CVSS v3.0 is 8.8, network reachable, low complexity, no privileges required, user interaction required, high CIA impact.

Likely exposure

Exposure is likely limited to environments still running the named NETGEAR models below the fixed firmware versions, especially where administrators manage devices through browsers on general-use workstations or from less trusted networks.

Exploitation context

The provided sources do not show CISA KEV listing or active exploitation. The CVSS vector and CSRF description indicate user interaction is required, but the bundle does not include exploit availability, affected endpoints, or proof-of-concept details.

Researcher notes

The bundle lacks CWE mapping and vulnerable endpoint detail. Treat the version ranges as the authoritative exposure boundary from the cited NETGEAR advisory and CVE records. Avoid assuming other NETGEAR models are affected without additional vendor evidence.

Mitigation direction

  • Upgrade R7300 firmware to 1.0.0.54 or later.
  • Upgrade R8500 firmware to 1.0.2.94 or later.
  • Upgrade DGN2200v1 firmware to 1.0.0.55 or later.
  • Upgrade D2200D/D2200DW-1FRNAS firmware to 1.0.0.32 or later.
  • Check NETGEAR advisory guidance for model-specific update instructions.
  • Restrict device administration to trusted networks and administrators.

Validation and detection

  • Inventory NETGEAR devices for the four affected model families.
  • Record installed firmware versions and compare against fixed versions.
  • Confirm administrative interfaces are not reachable from untrusted networks.
  • Verify firmware update completion through the device management interface.
  • Document unsupported or unpatched devices for replacement planning.
Prepared
Confidence
high
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-2017-18842 mapping review

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Vulnerability profileCVE Program record
Severity
High
CVSS
8.8 (3.0)
Known Exploited
No
Published

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

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
8.8CVSS 3.0HighCVSS:3.0/AC:L/AV:N/A:H/C:H/I:H/PR:N/S:U/UI:R2.85.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

8.8High
CVSS 3.0 vector shape for CVE-2017-18842Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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.