Security readout for executives and security teams
Plain-English summary
This CVE affects specific older NETGEAR router firmware. An attacker who can reach the device from an adjacent network may trigger a pre-authentication stack overflow. The stated impact is high across confidentiality, integrity, and availability, so affected routers should be treated as urgent infrastructure risk.
Executive priority
Prioritize remediation where these routers protect offices, remote sites, or Wi-Fi environments with untrusted users. The business risk is high because compromise could affect network control, traffic confidentiality, and service availability.
Technical view
CVE-2017-18724 is a pre-authentication stack-based buffer overflow affecting NETGEAR D6200, R6700v2, R6800, and R6900v2 firmware below named fixed versions. CVSS 3.0 is 8.8 with adjacent-network attack vector, low complexity, no privileges, no user interaction, and high C/I/A impact.
Likely exposure
Exposure is limited to the listed NETGEAR router models running vulnerable firmware: D6200 before 1.1.00.24, and R6700v2, R6800, R6900v2 before 1.1.0.42. Highest concern is devices reachable from untrusted local, guest, or Wi-Fi-adjacent networks.
Exploitation context
The provided sources do not show CISA KEV listing or confirmed active exploitation. The vulnerability is unauthenticated and low complexity, but the CVSS vector indicates adjacent-network access rather than broad internet reach.
Researcher notes
The source bundle names affected models and fixed firmware thresholds but does not provide CWE mapping, root-cause detail, exploit indicators, or proof of exploitation. Do not infer impact for other NETGEAR products without vendor confirmation.
Mitigation direction
- Upgrade D6200 devices to firmware 1.1.00.24 or later.
- Upgrade R6700v2, R6800, and R6900v2 to firmware 1.1.0.42 or later.
- Review NETGEAR advisory guidance before applying firmware changes.
- Restrict router administration access to trusted networks only.
- Segment guest or untrusted Wi-Fi from management interfaces.
Validation and detection
- Inventory NETGEAR router model numbers and firmware versions.
- Compare firmware against the affected version thresholds in the advisory.
- Confirm management interfaces are not reachable from untrusted networks.
- Check change records for successful firmware upgrade completion.
- Monitor vendor guidance for any revised affected-product information.
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-2017-18724 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/000052273/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Routers-PSV-2017-2144CVE 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.