Security readout for executives and security teams
Plain-English summary
This is a high-impact command injection flaw in specific NETGEAR wireless access points. An attacker who can reach the device on the adjacent network can act without credentials or user interaction. Successful exploitation could compromise confidentiality, integrity, and availability. Affected firmware is older than 5.0.0.17 on WAC505 and WAC510 devices.
Executive priority
Prioritize remediation for any affected access points in production. The issue is not listed as known exploited in the provided sources, but unauthenticated command injection on network infrastructure presents meaningful business risk.
Technical view
CVE-2018-21130 is pre-authentication command injection affecting NETGEAR WAC505 and WAC510 firmware before 5.0.0.17. The CVSS 3.0 vector is AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, indicating adjacent-network reachability, low complexity, no privileges, and high impact across CIA.
Likely exposure
Exposure is most likely in organizations still operating NETGEAR WAC505 or WAC510 access points on firmware earlier than 5.0.0.17, especially where management or affected services are reachable from adjacent network segments.
Exploitation context
The source bundle does not identify active exploitation, public exploit code, or CISA KEV listing. Treat this as serious because it is unauthenticated, low complexity, and can affect all major security properties if reachable.
Researcher notes
The bundled CVE affected-product metadata is sparse, but the description and NETGEAR advisory identify WAC505 and WAC510 before 5.0.0.17. No CWE is provided. Avoid assuming other NETGEAR models or exploit availability without additional sources.
Mitigation direction
- Inventory NETGEAR WAC505 and WAC510 access points.
- Upgrade affected devices to firmware 5.0.0.17 or later.
- Review NETGEAR advisory for current vendor guidance.
- Restrict network reachability to device management surfaces.
- Retire devices that cannot be updated safely.
Validation and detection
- Confirm each device model is WAC505 or WAC510.
- Record current firmware versions for all matching devices.
- Flag firmware earlier than 5.0.0.17 as affected.
- Check network paths that can reach device management interfaces.
- Document upgrade status and compensating controls.
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-2018-21130 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
- 8.8 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:N/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:H/C:H/I:H/PR:N/S:U/UI:N2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
8.8HighVector: CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:U/UI:N
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.netgear.com/000060229/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Wireless-Access-Points-PSV-2018-0267CVE 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.