Security readout for executives and security teams
Plain-English summary
This CVE affects NETGEAR R8300 and R8500 routers running firmware before 1.0.2.94. A cross-site request forgery flaw could let an attacker abuse a user’s browser interaction to change router state or affect confidentiality, integrity, and availability. The source bundle rates it high severity.
Executive priority
Treat as high priority for any still-deployed affected router models. The business risk is concentrated but meaningful: compromise of router administration can disrupt connectivity and security controls. Remediate during the next urgent network maintenance window.
Technical view
CVE-2017-18708 is a CSRF issue in NETGEAR R8300 and R8500 firmware before 1.0.2.94. The CVSS 3.0 score is 8.8 with network attack vector, low complexity, no privileges required, and required user interaction.
Likely exposure
Exposure is limited to environments using NETGEAR R8300 or R8500 routers below firmware 1.0.2.94. Risk is most relevant where users can reach the router management interface from browsers that also visit untrusted content.
Exploitation context
The provided data does not show CISA KEV inclusion or active exploitation. CSRF generally depends on user interaction, which matches the CVSS vector. The sources do not provide exploit details, campaign evidence, or proof-of-concept status.
Researcher notes
The bundle identifies only R8300 and R8500 before 1.0.2.94. CWE is not populated. The CVSS vector indicates required user interaction and high impact across confidentiality, integrity, and availability. No source in the bundle confirms exploitation in the wild.
Mitigation direction
- Update affected R8300 and R8500 routers to firmware 1.0.2.94 or later.
- Review the NETGEAR advisory for product-specific remediation instructions.
- Restrict router administration access to trusted management networks where possible.
- Avoid using authenticated router administration sessions for general web browsing.
Validation and detection
- Inventory NETGEAR R8300 and R8500 routers in the environment.
- Confirm each device firmware version is 1.0.2.94 or later.
- Check whether router administration interfaces are reachable from user browsing networks.
- Document exceptions and track them against vendor guidance.
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
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CVE-2017-18708 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:N/A:H/C:H/I:H/PR:N/S:U/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:N/A:H/C:H/I:H/PR:N/S:U/UI:R2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
8.8HighVector: CVSS:3.0/AC:L/AV:N/A:H/C:H/I:H/PR:N/S:U/UI:R
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.netgear.com/000053157/Security-Advisory-for-Cross-Site-Request-Forgery-on-Some-Routers-PSV-2017-0336CVE 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.