Security readout for executives and security teams
Plain-English summary
CVE-2018-21129 is a high-severity sensitive information disclosure issue affecting NETGEAR WAC505 and WAC510 wireless access points running firmware before 5.0.0.17. The CVSS vector indicates no authentication or user interaction is required, but the attack vector is adjacent network rather than remote internet-wide access.
Executive priority
Prioritize remediation where affected access points support business-critical offices, shared facilities, or networks with sensitive systems. The issue is high severity, but the provided evidence points to adjacent-network exposure rather than confirmed active exploitation.
Technical view
The CVE record describes sensitive information disclosure in NETGEAR WAC505 and WAC510 firmware before 5.0.0.17. CVSS 3.0 score is 8.8 with AV:A, AC:L, PR:N, UI:N, and high confidentiality, integrity, and availability impact. CWE details are not provided in the source bundle.
Likely exposure
Exposure is limited to environments using NETGEAR WAC505 or WAC510 access points on firmware earlier than 5.0.0.17. Because the CVSS vector is adjacent network, risk is most relevant from local wireless, LAN, or nearby network positions rather than broad internet scanning.
Exploitation context
The source bundle does not cite active exploitation, public exploit availability, or inclusion in CISA KEV. Treat this as a serious exposure due to high CVSS impact, but do not assume exploitation in the wild without further evidence.
Researcher notes
Structured affected-product fields in the bundle are incomplete, so affected scope is taken from the CVE description and NETGEAR advisory reference. No CWE, exploit maturity, or detailed flaw mechanics are provided. Avoid expanding scope beyond WAC505 and WAC510 before firmware 5.0.0.17.
Mitigation direction
- Inventory NETGEAR WAC505 and WAC510 access points across all managed environments.
- Upgrade affected devices to firmware 5.0.0.17 or later, following NETGEAR guidance.
- Restrict access point management interfaces to trusted administrative networks.
- Review NETGEAR’s advisory for model-specific update and configuration guidance.
Validation and detection
- Confirm each access point model is WAC505, WAC510, or outside scope.
- Verify firmware version is 5.0.0.17 or later on affected models.
- Check management interface exposure from wireless and LAN segments.
- Record remediation evidence in asset and vulnerability management systems.
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-2018-21129 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/000060245/Security-Advisory-for-Sensitive-Information-Disclosure-on-Some-Wireless-Access-Points-PSV-2018-0266CVE 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.