Security readout for executives and security teams
Plain-English summary
This vulnerability allows an unauthenticated adjacent-network attacker to read arbitrary files from certain NETGEAR routers and gateways running older firmware. The main business risk is disclosure of sensitive device files or configuration data. The CVE is rated medium, but exposed legacy network devices should be prioritized because compromise of edge equipment can affect wider operations.
Executive priority
Prioritize remediation for business locations still using the listed NETGEAR devices, especially where router configuration confidentiality matters. This is not sourced as actively exploited, but outdated edge devices remain operationally sensitive.
Technical view
CVE-2017-18713 is an arbitrary file read issue affecting NETGEAR D7800, R6700, R6900, R7500v2, R7800, R9000, WNDR4300v2, and WNDR4500v3 before listed fixed firmware versions. CVSS 3.0 is 6.5: adjacent attack vector, low complexity, no privileges, no user interaction, high confidentiality impact, no integrity or availability impact.
Likely exposure
Exposure is likely limited to organizations or users still running the named NETGEAR models below the fixed firmware versions. The CVSS vector indicates adjacent-network access is required; the provided sources do not support internet-wide remote exploitation.
Exploitation context
The source bundle does not indicate active exploitation, and CISA KEV status is false. Treat this as a credible confidentiality issue in legacy router fleets rather than a confirmed actively exploited vulnerability.
Researcher notes
The CVSS vector shows PR:N and UI:N with high confidentiality impact, but AV:A limits reach to adjacent networks. The public bundle names affected models and fixed version thresholds, but does not provide CWE details, exploit confirmation, or deeper root-cause information.
Mitigation direction
- Upgrade affected NETGEAR devices to the fixed firmware versions or later.
- Use NETGEAR’s advisory to confirm the exact target firmware for each model.
- Retire or replace devices that cannot receive supported firmware.
- Restrict access to router management surfaces to trusted local networks only.
Validation and detection
- Inventory NETGEAR router and gateway models in use.
- Compare each firmware version against the affected version thresholds.
- Confirm remediation against the NETGEAR PSV-2016-0114 advisory.
- Document any unsupported devices requiring replacement or isolation.
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
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CVE-2017-18713 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:N/C:H/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:N/C:H/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:N/C:H/I:N/PR:N/S:U/UI:N
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.netgear.com/000053135/Security-Advisory-for-Arbitrary-File-Read-on-Some-Routers-and-Gateways-PSV-2016-0114CVE 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.