Security readout for executives and security teams
Plain-English summary
CVE-2019-20651 is a NETGEAR access point issue where an already-authenticated user could inject commands on affected WAC505 and WAC510 devices. Business urgency is high where these devices remain on old firmware or administrative access is shared broadly.
Executive priority
Prioritize remediation during the next network maintenance window, faster if affected devices manage sensitive networks or have broadly accessible administration.
Technical view
The sources describe post-authentication command injection affecting NETGEAR WAC505 before 8.2.1.16 and WAC510 before 8.2.1.16. CVSS 3.0 is 8.1 with low attack complexity, high privileges required, changed scope, and high confidentiality and integrity impact.
Likely exposure
Exposure is limited to environments still running WAC505 or WAC510 firmware earlier than 8.2.1.16. Risk increases where device administration is reachable by many users or local administrative access is weakly controlled.
Exploitation context
The provided bundle does not show CISA KEV listing or active exploitation evidence. The vulnerability requires authentication and high privileges per CVSS, so it is not described here as unauthenticated internet-wide exploitation.
Researcher notes
Evidence is narrow but consistent: affected products and fixed-version boundary are named, and CVSS indicates high impact with high privileges required. No CWE, exploit detail, or active exploitation source is provided in the bundle.
Mitigation direction
- Upgrade WAC505 and WAC510 devices to firmware 8.2.1.16 or later.
- Review NETGEAR advisory guidance for model-specific update instructions.
- Restrict device management access to trusted administrators only.
- Remove unused administrator accounts and rotate shared credentials.
- Monitor vendor support status for these legacy access points.
Validation and detection
- Inventory NETGEAR WAC505 and WAC510 devices in the environment.
- Confirm each device firmware version is 8.2.1.16 or later.
- Review administrative account lists for unnecessary privileged users.
- Check management access paths for unnecessary exposure.
- Review device logs for unexpected privileged configuration activity.
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.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2019-20651 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
- 8.1 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AC:L/AV:L/A:L/C:H/I:H/PR:H/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:L/A:L/C:H/I:H/PR:H/S:C/UI:N1.56Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
8.1HighVector: CVSS:3.0/AC:L/AV:L/A:L/C:H/I:H/PR:H/S:C/UI:N
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.netgear.com/000061491/Security-Advisory-for-Post-Authentication-Command-Injection-on-WAC505-and-WAC510-PSV-2019-0176CVE 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.