Security readout for executives and security teams
Plain-English summary
Some older NETGEAR routers and gateways have a pre-authentication stack buffer overflow. An attacker who can reach the affected device on an adjacent network could potentially compromise confidentiality, integrity, and availability. The listed affected firmware is old, but unmanaged branch, home-office, or lab routers may still carry exposure.
Executive priority
Prioritize remediation where these routers protect offices, remote users, or sensitive network segments. The issue is high impact and unauthenticated, but urgency should be driven by confirmed device presence, firmware age, and network reachability.
Technical view
CVE-2017-18725 affects NETGEAR D6200 before 1.1.00.24, R6700v2/R6800/R6900v2 before 1.1.0.42. The CVSS 3.0 vector is 8.8 high: adjacent network, low complexity, no privileges, no user interaction, with high impact to confidentiality, integrity, and availability.
Likely exposure
Exposure is most likely where affected NETGEAR models remain deployed with firmware below the named fixed versions, especially on Wi-Fi, LAN, or management-adjacent networks. The provided CVSS vector indicates adjacent-network attack surface, not confirmed internet-wide reachability.
Exploitation context
The source bundle does not show CISA KEV listing or any cited evidence of active exploitation. Treat this as a serious pre-authentication memory-corruption issue, but do not claim exploitation in the wild from the provided sources.
Researcher notes
The provided CVE data does not include CWE, vulnerable endpoint details, exploit maturity, or packet-level conditions. Validation should focus on asset identification, firmware comparison, and exposure review rather than intrusive probing. Avoid assuming affected products beyond the four listed models.
Mitigation direction
- Inventory for D6200, R6700v2, R6800, and R6900v2 devices.
- Upgrade affected devices to the NETGEAR-advised fixed firmware versions or later.
- Check the NETGEAR advisory for model-specific firmware guidance.
- Restrict router management access to trusted local administration networks.
- Retire unsupported or unpatchable devices from production use.
Validation and detection
- Confirm device model and firmware version from administrative inventory.
- Compare firmware against D6200 1.1.00.24 and R6700v2/R6800/R6900v2 1.1.0.42.
- Verify management interfaces are not reachable from untrusted adjacent networks.
- Review network asset scans for unmanaged NETGEAR routers or gateways.
- Document patched, isolated, retired, or exception-handled devices.
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-2017-18725 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/000051530/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2141CVE 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.