Security readout for executives and security teams
Plain-English summary
CVE-2018-21096 is a cross-site request forgery issue in several NETGEAR wireless access points. Affected devices run older firmware. The recorded impact is high availability loss, with no confidentiality or integrity impact listed. Treat this as a priority for managed wireless infrastructure that still runs legacy NETGEAR access points.
Executive priority
Set this to normal patch-priority unless affected devices manage critical wireless access, are difficult to isolate, or remain on unsupported firmware. The business risk is service disruption rather than data theft based on the CVE record.
Technical view
The CVE lists CSRF across specific NETGEAR access point models before named firmware versions. CVSS 3.0 is 5.2, with adjacent attack vector, low attack complexity, low privileges, required user interaction, unchanged scope, and high availability impact only. Public details do not describe root cause, exploit mechanics, or compensating controls.
Likely exposure
Exposure is most likely in organizations still operating the listed NETGEAR WAC, WNAP, WNDAP, WND, or WN access point models below the vendor-fixed firmware versions.
Exploitation context
The CVE is not in CISA KEV, and the provided sources do not claim active exploitation. The CVSS vector indicates adjacent-network access, low privileges, and user interaction are required. Evidence is insufficient to assess real-world exploit prevalence.
Researcher notes
The public record is sparse: no CWE, no exploit narrative, and no detailed vulnerability mechanics are provided. Analysis should stay anchored to the vendor advisory, model list, firmware thresholds, and CVSS vector.
Mitigation direction
- Upgrade affected NETGEAR access points to the fixed firmware versions or later.
- Prioritize WAC505 and WAC510 below 5.0.5.4.
- Prioritize WAC120 and WNDAP620 below 2.1.7.
- Prioritize listed WNAP and WNDAP models below 3.7.11.4.
- Prioritize WND930 below 2.1.5 and WN604 below 3.3.10.
- Restrict administrative access and follow NETGEAR advisory guidance.
Validation and detection
- Inventory NETGEAR wireless access point models in production and remote sites.
- Compare installed firmware against the affected version thresholds.
- Confirm management interfaces are not broadly reachable from user networks.
- Check change records for successful firmware updates.
- Review vendor advisory for model-specific upgrade notes.
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-2018-21096 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:H/C:N/I:N/PR:L/S:U/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:H/C:N/I:N/PR:L/S:U/UI:R1.53.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.2MediumVector: CVSS:3.0/AC:L/AV:A/A:H/C:N/I:N/PR:L/S:U/UI:R
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.netgear.com/000060455/Security-Advisory-for-Cross-Site-Request-Forgery-on-Some-Wireless-Access-Points-PSV-2018-0096CVE 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.