Security readout for executives and security teams
Plain-English summary
This CVE affects specific NETGEAR router models with vulnerable firmware. An unauthenticated attacker on an adjacent network could trigger a stack-based buffer overflow, potentially causing serious compromise of confidentiality, integrity, and availability. Treat affected devices as high priority infrastructure risk.
Executive priority
Prioritize remediation where these routers support business networks, remote sites, or sensitive segments. The issue is high severity and unauthenticated, but current evidence does not show confirmed active exploitation.
Technical view
CVE-2017-18717 is a pre-authentication stack-based buffer overflow in NETGEAR D6200, R6700v2, R6800, and R6900v2 firmware before the fixed versions listed by CVE. CVSS v3.0 is 8.8 with adjacent-network attack vector, low complexity, no privileges, and no user interaction.
Likely exposure
Exposure is limited to the named NETGEAR models running firmware below D6200 1.1.00.24 or R6700v2/R6800/R6900v2 1.1.0.42. The CVSS vector indicates adjacent-network reachability, not internet-wide reachability by default.
Exploitation context
The provided sources do not state active exploitation, and this CVE is not marked KEV. Risk remains significant because exploitation requires no authentication or user interaction if an attacker has the required network position.
Researcher notes
The CVE record gives affected models, version thresholds, CVSS, and NETGEAR advisory linkage, but no exploit details or workaround specifics. Validate exposure by firmware comparison and network placement rather than assuming broad internet exposure.
Mitigation direction
- Inventory NETGEAR D6200, R6700v2, R6800, and R6900v2 devices.
- Upgrade affected firmware to the listed fixed versions or later.
- Use the NETGEAR advisory to confirm model-specific firmware guidance.
- Remove or replace unsupported affected devices if updates are unavailable.
Validation and detection
- Compare deployed router model and firmware versions against the CVE affected list.
- Confirm D6200 firmware is at least 1.1.00.24.
- Confirm R6700v2, R6800, and R6900v2 firmware is at least 1.1.0.42.
- Document any remaining vulnerable devices and compensating controls.
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-2017-18717 mapping review
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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/000052280/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Routers-PSV-2017-2153CVE 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.