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CVE Record

CVE-2019-20675: Certain NETGEAR devices are affected by stored XSS.

Certain NETGEAR devices are affected by stored XSS. This affects RBR50 before 2.3.5.30, RBS50 before 2.3.5.30, and RBK50 before 2.3.5.30.

MediumCVSS 6Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This CVE is a stored cross-site scripting issue in certain NETGEAR Orbi WiFi systems. Affected devices are RBR50, RBS50, and RBK50 running firmware before 2.3.5.30. The published score is medium, but the potential confidentiality and integrity impact is high if an attacker already has the required local and high-privilege access.

Executive priority

Treat this as a moderate-priority hygiene issue unless affected devices manage sensitive networks or are administered by many users. The main business risk is administrative interface compromise on unpatched Orbi devices, not broad remote exploitation based on the provided evidence.

Technical view

CVE-2019-20675 affects NETGEAR RBR50, RBS50, and RBK50 before 2.3.5.30. The CVSS v3.0 vector is AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N, indicating local access, high privileges, low complexity, no user interaction, unchanged scope, and no availability impact.

Likely exposure

Exposure is most likely where affected NETGEAR Orbi devices remain on firmware older than 2.3.5.30. The CVSS vector does not describe remote Internet exploitation; it indicates local access and high privileges are required.

Exploitation context

The provided sources do not show active exploitation, and the CVE is not listed as KEV. Abuse appears constrained by the need for local access and high privileges, but stored XSS can still matter in administrative interfaces because script may persist and run later in a trusted context.

Researcher notes

The available record is sparse: no CWE is supplied, and affected CPE data is not populated. The CVSS vector suggests privileged local attack conditions, while the description and NETGEAR advisory identify the vulnerable firmware boundary. Do not assume broader NETGEAR product impact without additional vendor evidence.

Mitigation direction

  • Upgrade affected RBR50, RBS50, and RBK50 devices to firmware 2.3.5.30 or later.
  • Review NETGEAR’s advisory for model-specific update guidance.
  • Restrict administrative access to trusted management networks only.
  • Remove or disable unnecessary administrative accounts.
  • Monitor vendor guidance for any later replacement advisories.

Validation and detection

  • Inventory NETGEAR RBR50, RBS50, and RBK50 devices in use.
  • Confirm each device firmware version is 2.3.5.30 or later.
  • Verify administrative interfaces are not broadly reachable.
  • Check vulnerability management results against CVE-2019-20675.
  • Review device administration logs for unexpected configuration changes.
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-2019-20675 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
6 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AC:L/AV:L/A:N/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
6CVSS 3.0MediumCVSS:3.0/AC:L/AV:L/A:N/C:H/I:H/PR:H/S:U/UI:N0.85.2Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

6Medium
CVSS 3.0 vector shape for CVE-2019-20675Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AC:L/AV:L/A:N/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.