Security readout for executives and security teams
Plain-English summary
CVE-2017-18732 is an authentication bypass in specific NETGEAR devices. An unauthenticated attacker on an adjacent network could bypass access controls and potentially compromise confidentiality, integrity, and availability. The affected versions are clearly bounded in the CVE record.
Executive priority
Prioritize remediation for any affected device still in production, especially in branch, remote-office, or unmanaged networks. The business risk is unauthorized control of network equipment, which can enable traffic interception, outages, or further intrusion.
Technical view
The CVE lists NETGEAR R6300v2 before 1.0.4.8, PLW1000v2 before 1.0.0.14, and PLW1010v2 before 1.0.0.14. CVSS 3.0 is 8.8 with adjacent-network attack vector, low complexity, no privileges, no user interaction, and high C/I/A impact.
Likely exposure
Exposure is most likely where these specific NETGEAR models remain deployed with firmware below the fixed versions. Based on the CVSS vector, the known attack path is adjacent network access, not proven internet-wide exposure from the provided sources.
Exploitation context
The provided bundle does not show CISA KEV listing or any cited evidence of active exploitation. Treat this as high severity because authentication bypass on network equipment can lead to full device compromise if reachable.
Researcher notes
Evidence is limited to the CVE metadata and NETGEAR advisory reference in the bundle. No CWE, exploit details, or public exploitation evidence were provided. The CVSS vector constrains assessment to adjacent-network exposure.
Mitigation direction
- Upgrade R6300v2 firmware to 1.0.4.8 or later.
- Upgrade PLW1000v2 firmware to 1.0.0.14 or later.
- Upgrade PLW1010v2 firmware to 1.0.0.14 or later.
- Check NETGEAR's advisory for current support and replacement guidance.
- Remove or isolate affected devices that cannot be updated.
Validation and detection
- Inventory NETGEAR R6300v2, PLW1000v2, and PLW1010v2 devices.
- Record firmware versions and compare them with the fixed version thresholds.
- Confirm affected devices are not reachable from untrusted adjacent networks.
- Review device configuration and logs for unexpected administrative changes.
- Document remediation status for each discovered device.
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.
Credential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2017-18732 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/000051523/Security-Advisory-for-Authentication-Bypass-on-R6300v2-PLW1000v2-and-PLW1010v2-PSV-2016-0069CVE 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.