Security readout for executives and security teams
Plain-English summary
Some NETGEAR router firmware versions contain a pre-authentication stack overflow. An attacker does not need credentials or user interaction, but the CVSS vector describes adjacent-network access rather than internet-wide reachability. Successful exploitation could compromise confidentiality, integrity, and availability.
Executive priority
Prioritize remediation for affected routers on shared, guest, or otherwise untrusted networks. This is high severity, but the provided evidence does not support claiming active exploitation.
Technical view
CVE-2017-18750 is a stack-based buffer overflow affecting D6200 before 1.1.00.24 and R6700v2, R6800, R6900v2 before 1.1.0.42. The CVSS 3.0 vector is AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, scoring 8.8 high.
Likely exposure
Exposure is limited to the named NETGEAR models running firmware older than the fixed versions. Adjacent-network reachability is the documented attack vector.
Exploitation context
The supplied sources do not show CISA KEV listing or active exploitation. Risk remains material because exploitation is unauthenticated, low complexity, and high impact once adjacent access exists.
Researcher notes
The source bundle lacks CWE detail and does not include proof-of-concept or exploit telemetry. Keep validation to version and model checks, and rely on NETGEAR guidance for device-specific remediation.
Mitigation direction
- Inventory named NETGEAR models and firmware versions.
- Update D6200 to 1.1.00.24 or later.
- Update R6700v2, R6800, and R6900v2 to 1.1.0.42 or later.
- Follow NETGEAR advisory guidance for any unclear firmware status.
- Limit untrusted adjacent-network access to affected routers where possible.
Validation and detection
- Confirm whether D6200, R6700v2, R6800, or R6900v2 devices exist.
- Record each device firmware version from administrative inventory.
- Compare versions against the fixed versions listed in the CVE description.
- Verify remediation by rechecking firmware after updates.
- Document any devices that cannot be updated and their 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-2017-18750 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/000051504/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Routers-PSV-2017-2133CVE 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.