Security readout for executives and security teams
Plain-English summary
CVE-2019-20745 is an authenticated command injection issue in NETGEAR WAC505 and WAC510 access points. A logged-in user could potentially run system commands on affected devices. Business risk is concentrated where these access points are still on firmware older than 5.0.10.2 and admin access is not tightly controlled.
Executive priority
Treat as a targeted infrastructure hygiene issue, not an emergency internet-wide incident based on available evidence. Prioritize patching affected access points during the next controlled maintenance window, sooner where admin access is broadly reachable.
Technical view
The CVE describes post-authentication command injection affecting NETGEAR WAC505 before 5.0.10.2 and WAC510 before 5.0.10.2. CVSS 3.0 is 6.4, with adjacent-network access, low attack complexity, high privileges required, no user interaction, and high confidentiality and integrity impact.
Likely exposure
Exposure is likely limited to organizations operating WAC505 or WAC510 access points on firmware earlier than 5.0.10.2. Risk increases if administrative interfaces are reachable from broad internal networks or shared admin accounts exist.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation evidence. The vulnerability requires authentication with high privileges and adjacent-network access, which lowers broad internet-scale risk but remains serious for compromised admin accounts or insider scenarios.
Researcher notes
Key missing detail is the specific vulnerable endpoint or parameter; the provided sources only identify post-authentication command injection and affected firmware boundaries. Validation should focus on asset/version confirmation and management-plane exposure, not exploit reproduction.
Mitigation direction
- Upgrade WAC505 and WAC510 firmware to 5.0.10.2 or later per vendor guidance.
- Restrict management interface access to trusted administrative networks only.
- Review and remove unnecessary administrator accounts on affected access points.
- Rotate credentials if admin account compromise is suspected.
- Check NETGEAR advisory for any device-specific operational guidance.
Validation and detection
- Inventory NETGEAR WAC505 and WAC510 devices across wireless infrastructure.
- Confirm each device firmware version is 5.0.10.2 or later.
- Verify management interfaces are not exposed to untrusted networks.
- Review administrator account lists and recent configuration changes.
- Document exceptions and compensating controls for devices awaiting firmware updates.
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-2019-20745 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.4 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AC:L/AV:A/A:L/C:H/I:H/PR:H/S:U/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:L/C:H/I:H/PR:H/S:U/UI:N0.95.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
6.4MediumVector: CVSS:3.0/AC:L/AV:A/A:L/C:H/I:H/PR:H/S:U/UI:N
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.netgear.com/000060978/Security-Advisory-for-Post-Authentication-Command-Injection-on-WAC505-and-WAC510-PSV-2018-0610CVE 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.