Security readout for executives and security teams
Plain-English summary
CVE-2019-20653 is a denial-of-service issue in NETGEAR WAC505 and WAC510 wireless access points running firmware before 8.0.6.4. An unauthenticated attacker on an adjacent network could disrupt device availability. The issue threatens uptime, not data confidentiality or integrity, based on the provided CVSS vector.
Executive priority
Prioritize remediation for offices, sites, or managed networks relying on these access points for business connectivity. The issue is high severity because disruption is plausible without credentials, but the provided evidence does not indicate data theft or confirmed active exploitation.
Technical view
The CVSS 3.0 vector is AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H, scoring 7.4. The vulnerability affects WAC505 and WAC510 firmware before 8.0.6.4. The sources do not name a CWE, vulnerable service, packet type, or root cause.
Likely exposure
Exposure is most relevant where WAC505 or WAC510 access points are reachable from adjacent network segments or wireless-adjacent contexts. Internet exposure is not indicated by the CVSS vector.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. Treat exploitation status as unknown, with risk driven by low attack complexity and high availability impact.
Researcher notes
Public details are limited. The CVE identifies affected models, fixed version boundary, CVSS vector, and denial-of-service impact, but not the vulnerable component or trigger. Avoid assuming exploit mechanics beyond adjacent-network, unauthenticated availability impact.
Mitigation direction
- Inventory NETGEAR WAC505 and WAC510 access points.
- Upgrade affected devices to firmware 8.0.6.4 or later.
- Check NETGEAR’s advisory for any current replacement guidance.
- Restrict access to management and adjacent network paths where feasible.
- Monitor access point availability and unexpected restarts.
Validation and detection
- Confirm each WAC505 and WAC510 firmware version.
- Flag any listed device running below 8.0.6.4.
- Verify updated devices remain stable after firmware deployment.
- Review network segmentation around affected access points.
- Check monitoring for denial-of-service symptoms.
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-2019-20653 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
- High
- CVSS
- 7.4 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AC:L/AV:A/A:H/C:N/I:N/PR:N/S:C/UI:N
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:H/C:N/I:N/PR:N/S:C/UI:N2.84Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.4HighVector: CVSS:3.0/AC:L/AV:A/A:H/C:N/I:N/PR:N/S:C/UI:N
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.netgear.com/000061488/Security-Advisory-for-Denial-of-Service-on-WAC505-and-WAC510-PSV-2019-0083CVE 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.