Security readout for executives and security teams
Plain-English summary
This CVE affects NETGEAR WNDR4500v3 routers running firmware before 1.0.0.48. An unauthenticated actor on an adjacent network could cause a denial of service, disrupting router availability. The known impact is service outage, not data theft or device takeover.
Executive priority
Prioritize remediation where these routers support business connectivity or guest/shared networks. The main business risk is outage or disruption, not confirmed data compromise. Patch during normal network maintenance unless the device protects critical operations or is reachable by untrusted local users.
Technical view
CVE-2017-18714 is a denial-of-service issue in NETGEAR WNDR4500v3 firmware before 1.0.0.48. The CVSS 3.0 vector is AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H, indicating adjacent-network reachability, low complexity, no privileges, no user interaction, and high availability impact.
Likely exposure
Exposure is limited to NETGEAR WNDR4500v3 devices on firmware earlier than 1.0.0.48. The CVSS vector indicates the attacker must be on an adjacent network, so risk is highest where untrusted users can reach the router over local network or Wi-Fi adjacency.
Exploitation context
The provided sources do not state active exploitation, and the CVE is not marked as CISA KEV. Public detail in the bundle is sparse and identifies denial of service only. Treat this as a local-network availability risk rather than an internet-scale remote compromise based on available evidence.
Researcher notes
The source bundle provides no CWE, no root-cause detail, and no exploit procedure. Affected CPE data is absent, but the CVE description and NETGEAR advisory reference identify WNDR4500v3 before 1.0.0.48. Avoid inferring other NETGEAR models or broader firmware families.
Mitigation direction
- Inventory NETGEAR WNDR4500v3 routers in use.
- Upgrade affected devices to firmware 1.0.0.48 or later per NETGEAR guidance.
- Restrict local and Wi-Fi network access to trusted users.
- Review NETGEAR advisory updates before making production changes.
Validation and detection
- Confirm each device model is WNDR4500v3.
- Check installed firmware version against 1.0.0.48.
- Verify affected routers are no longer running pre-1.0.0.48 firmware.
- Review network segmentation for untrusted adjacent access paths.
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-2017-18714 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.5 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AC:L/AV:A/A:H/C:N/I:N/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:N/I:N/PR:N/S:U/UI:N2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
6.5MediumVector: CVSS:3.0/AC:L/AV:A/A:H/C:N/I:N/PR:N/S:U/UI:N
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.netgear.com/000053134/Security-Advisory-for-Denial-of-Service-on-WNDR4500v3-PSV-2016-0077CVE 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.