Security readout for executives and security teams
Plain-English summary
CVE-2017-18729 affects several older NETGEAR routers and gateways. An unauthenticated attacker on an adjacent network could trigger a stack-based buffer overflow before login. The CVSS score is high because successful exploitation could compromise confidentiality, integrity, and availability.
Executive priority
Treat this as a high-priority infrastructure hygiene issue where affected NETGEAR devices remain deployed. Focus on confirming whether these specific models exist, updating firmware, or removing legacy hardware.
Technical view
The CVE describes a pre-authentication stack-based buffer overflow affecting D6200, R6020, R6080, R6120, R6700v2, R6800, and R6900v2 firmware below specified fixed versions. CVSS v3.0 is 8.8 with adjacent-network access, low complexity, no privileges, and no user interaction.
Likely exposure
Exposure is likely limited to organizations still running the listed NETGEAR models on vulnerable firmware. The CVSS vector indicates adjacent-network attack access, not confirmed internet-wide reachability from the provided sources.
Exploitation context
The source bundle does not show CISA KEV listing or other cited evidence of active exploitation. Risk remains meaningful because the flaw is unauthenticated, low-complexity, and pre-authentication on network infrastructure.
Researcher notes
Evidence is limited to the CVE record and NETGEAR advisory reference. The record names fixed firmware thresholds but does not provide CWE detail, exploit indicators, or proof of active exploitation.
Mitigation direction
- Update affected NETGEAR devices to the fixed firmware versions or later.
- Replace unsupported devices if fixed firmware is unavailable.
- Follow the linked NETGEAR security advisory for model-specific guidance.
- Prioritize devices on sensitive office, guest, or operational networks.
Validation and detection
- Inventory NETGEAR D6200, R6020, R6080, R6120, R6700v2, R6800, and R6900v2 devices.
- Compare installed firmware against the fixed versions listed in the CVE.
- Confirm remediation through device administration records or firmware reporting.
- Check network asset data for unmanaged or forgotten router deployments.
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-2017-18729 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/000051526/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2135CVE 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.