Security readout for executives and security teams
Plain-English summary
NETGEAR WAC510 access points running firmware before 8.0.1.3 have a stored cross-site scripting issue. An attacker on an adjacent network could place malicious content that runs when a user views it, potentially exposing or changing limited information in that browser session.
Executive priority
Treat as a moderate network-appliance hygiene issue. Prioritize patching exposed or broadly reachable WAC510 devices, but the available evidence does not support emergency response for active exploitation.
Technical view
CVE-2019-20742 is stored XSS affecting NETGEAR WAC510 before 8.0.1.3. CVSS 3.0 is 5.2: adjacent network access, low complexity, no privileges, user interaction required, changed scope, low confidentiality and integrity impact, and no availability impact.
Likely exposure
Exposure is likely limited to organizations with NETGEAR WAC510 devices running firmware below 8.0.1.3, especially where the device interface is reachable from wireless or local management networks.
Exploitation context
The bundle does not show CISA KEV listing or active exploitation evidence. Risk depends on attacker adjacency and a user viewing stored malicious content on the affected device interface.
Researcher notes
The provided CVE data lacks CWE detail and the affected CPE fields are not populated. Analysis is therefore based on the CVE description, CVSS vector, and NETGEAR advisory reference naming WAC510 before 8.0.1.3.
Mitigation direction
- Upgrade NETGEAR WAC510 firmware to 8.0.1.3 or later.
- Review the NETGEAR advisory for device-specific guidance.
- Restrict management interface access to trusted administrative networks.
- Limit untrusted access to adjacent wireless or local segments.
Validation and detection
- Inventory NETGEAR WAC510 devices and record firmware versions.
- Confirm no WAC510 device runs firmware below 8.0.1.3.
- Verify management access is limited to trusted users and networks.
- Check vendor advisory status before closing remediation.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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.
CVE-2019-20742 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- 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
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.
CVSS vector scores
1 official scoreWe 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.
CVSS:3.0/AC:L/AV:A/A:N/C:L/I:L/PR:N/S:C/UI:R2.12.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.2MediumVector: CVSS:3.0/AC:L/AV:A/A:N/C:L/I:L/PR:N/S:C/UI:R
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.netgear.com/000060981/Security-Advisory-for-Stored-Cross-Site-Scripting-on-WAC510-PSV-2018-0627CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.