Security readout for executives and security teams
Plain-English summary
This CVE describes unauthenticated remote command execution as root on the Belkin N750 DB router model F9K1103 running firmware 1.10.22. A vulnerable router could be fully controlled if the affected HTTP CGI endpoint is reachable. The source bundle does not name a patch or confirm active exploitation.
Executive priority
Treat reachable affected routers as urgent because the reported impact is root-level command execution without authentication. Prioritize removing exposure, checking vendor remediation, and replacing unsupported devices.
Technical view
CVE-2018-1143 affects Belkin N750 DB Wi-Fi Dual-Band N+ Gigabit Router F9K1103 firmware 1.10.22. The issue is command execution as root through twonky_command.cgi after a crafted HTTP request. The record provides no CVSS, CWE, CPE, or vendor fix details.
Likely exposure
Exposure appears limited to Belkin F9K1103 routers on firmware 1.10.22 where the affected HTTP CGI interface is reachable. The sources do not clarify required network position, internet exposure, or whether other firmware versions are affected.
Exploitation context
The vulnerability is publicly documented by Tenable and the CVE record. The source bundle does not show CISA KEV inclusion and does not provide evidence of active exploitation in the wild.
Researcher notes
Evidence is sparse: no CVSS, CWE, CPE, patch status, or active exploitation confirmation is included. The affected firmware value is listed with uncertainty in the bundle, so avoid expanding scope beyond the named model and firmware without vendor evidence.
Mitigation direction
- Inventory Belkin F9K1103 routers and confirm firmware versions.
- Check Belkin guidance for fixed firmware or replacement options.
- Restrict router HTTP administration to trusted management networks only.
- Disable remote administration if enabled and not required.
- Replace unsupported devices if no vendor fix is available.
Validation and detection
- Confirm whether any F9K1103 devices run firmware 1.10.22.
- Verify the router HTTP interface is not internet-accessible.
- Review firewall rules limiting access to management interfaces.
- Check vendor advisories before assuming other firmware versions are safe.
- Document compensating controls for any device awaiting replacement.
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-2018-1143 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.tenable.com/security/research/tra-2018-08CVE reference · x_refsource_MISC
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.