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CVE Record

CVE-2019-20743: NETGEAR WAC510 devices before 8.0.1.3 are affected by stored XSS.

NETGEAR WAC510 devices before 8.0.1.3 are affected by stored XSS.

MediumCVSS 5.2Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2019-20743 is a stored cross-site scripting flaw in NETGEAR WAC510 wireless access points running firmware before 8.0.1.3. Affected devices could store malicious script content that later executes when a user views it. The public data rates this as medium severity, with limited confidentiality and integrity impact.

Executive priority

Treat this as a moderate operational hygiene issue for wireless infrastructure. It is not documented here as actively exploited, but outdated access point firmware can create avoidable risk inside corporate networks.

Technical view

The CVE describes stored XSS on NETGEAR WAC510 devices before version 8.0.1.3. CVSS 3.0 is 5.2 with adjacent-network attack vector, low complexity, no privileges, required user interaction, changed scope, and low confidentiality and integrity impact. No CWE is listed in the provided record.

Likely exposure

Exposure is most likely in organizations still operating NETGEAR WAC510 access points below firmware 8.0.1.3, especially where device administration paths are reachable from broad internal, guest, or adjacent networks.

Exploitation context

The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The CVSS vector indicates exploitation requires adjacent network access and user interaction, limiting broad internet-scale risk but still relevant for shared or weakly segmented networks.

Researcher notes

The public record is sparse: product and fixed-version information are present, but affected CPEs, CWEs, exploit observations, and detailed vulnerable parameters are not included in the supplied bundle. Avoid assuming broader NETGEAR product impact without vendor confirmation.

Mitigation direction

  • Inventory NETGEAR WAC510 devices and record firmware versions.
  • Upgrade affected WAC510 devices to firmware 8.0.1.3 or later.
  • Restrict management access to trusted administrative networks only.
  • Review NETGEAR advisory guidance for any device-specific instructions.
  • Prioritize remediation on guest-facing or weakly segmented networks.

Validation and detection

  • Confirm each WAC510 firmware version is 8.0.1.3 or later.
  • Verify WAC510 management access is not reachable from guest networks.
  • Check vulnerability management records for CVE-2019-20743 coverage.
  • Confirm change records show successful firmware update completion.
  • Review device exposure against the adjacent-network CVSS requirement.
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-2019-20743 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
5.2 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AC:L/AV:A/A:N/C:L/I:L/PR:N/S:C/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
5.2CVSS 3.0MediumCVSS:3.0/AC:L/AV:A/A:N/C:L/I:L/PR:N/S:C/UI:R2.12.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

5.2Medium
CVSS 3.0 vector shape for CVE-2019-20743Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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