Security readout for executives and security teams
Plain-English summary
CVE-2017-18745 is a stored cross-site scripting issue in several NETGEAR router models running older firmware. An attacker on an adjacent network could store malicious content that later affects a user interacting with the router interface. The business risk is localized but real for unmanaged or outdated network edge devices.
Executive priority
Treat this as a moderate-priority router hygiene issue. It is not evidenced as actively exploited in the supplied sources, but outdated network devices can create persistent risk and are often missed in normal endpoint patching programs.
Technical view
The CVE describes stored XSS affecting NETGEAR R6400, R6700, R6900, R7000, R7100LG, R7300DST, R7900, R8000, and R8500 firmware before specified fixed versions. CVSS v3.0 is 5.2 with adjacent-network attack vector, low complexity, no privileges, required user interaction, and changed scope.
Likely exposure
Exposure is most likely in small office, branch, lab, or home-office environments still using the listed NETGEAR routers below the fixed firmware versions. Internet exposure is not established by the supplied CVSS vector, which indicates adjacent-network access.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. The vulnerability requires user interaction and adjacent-network positioning, limiting broad remote exploitation but still making stale router firmware a practical enterprise hygiene issue.
Researcher notes
The CVE metadata provides affected models, fixed-version thresholds, CVSS vector, and a NETGEAR advisory reference, but no CWE entry, proof-of-concept detail, or confirmed exploitation. Avoid assuming broader product impact beyond the named models and versions.
Mitigation direction
- Inventory the listed NETGEAR router models in managed and unmanaged environments.
- Update affected devices to the fixed firmware versions or later listed by NETGEAR.
- Restrict router administration access to trusted management networks.
- Review vendor advisory guidance before applying operational workarounds.
- Retire unsupported devices if current fixed firmware is unavailable.
Validation and detection
- Confirm exact router model and firmware version from asset records or device administration.
- Compare installed firmware against the fixed version threshold for that model.
- Verify administrative interfaces are not reachable from untrusted networks.
- Check vulnerability management data for stale NETGEAR router findings.
- Document remediation status for branch, lab, and remote-office 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-2017-18745 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
- Medium
- CVSS
- 5.2 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AC:L/AV:A/A:N/C:L/I:L/PR:N/S:C/UI:R
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:N/C:L/I:L/PR:N/S:C/UI:R2.12.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.2MediumVector: CVSS:3.0/AC:L/AV:A/A:N/C:L/I:L/PR:N/S:C/UI:R
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.netgear.com/000051510/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-PSV-2017-0323CVE 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.