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Vulnerabilities

Vulnerability · CVE-2026-9218

Insufficient input validation vulnerability in Certain NETGEAR routers allows unauthorized access

Published Oct 13, 2026 · catalog updated Oct 15, 2026 · NETGEAR CBR40

Check if you run it

No confirmed exploitation is on record for CVE-2026-9218. EPSS is 0.18%. Act only if a listed version of NETGEAR CBR40 is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium4.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.18%
Remediation
Not established
Affected products
vendor NETGEAR CBR40 · vendor NETGEAR R7000 · vendor NETGEAR R7000P · vendor NETGEAR RAX40

Insufficient input validation vulnerability in time server (NTP) setting of the listed NETGEAR models allows an attacker who is connected to the router’s local network and has the router’s administrator credentials to run unauthorized commands on the router. This vulnerability could impact the integrity of the affected router. There is no impact on confidentiality or availability of the affected router.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor NETGEAR CBR40version unspecified
  • vendor NETGEAR R7000version unspecified
  • vendor NETGEAR R7000Pversion unspecified
  • vendor NETGEAR RAX40version unspecified

How to fix CVE-2026-9218

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-9218. EPSS is 0.18%. Act only if a listed version of NETGEAR CBR40 is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-20: Improper Input Validation. EPSS 0.18%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 13, 2026 · CIRCL Vulnerability Lookup

    Detected

    Insufficient input validation vulnerability in time server (NTP) setting of the listed NETGEAR models allows an attacker who is connected to the router’s local network and has the router’s administrator credentials to run unauthorized commands on the router. This vulnerability could impact the integrity of the affected router. There is no impact on confidentiality or availability of the affected r

  2. Oct 15, 2026 · CIRCL Vulnerability Lookup

    Updated

    Insufficient input validation vulnerability in time server (NTP) setting of the listed NETGEAR models allows an attacker who is connected to the router’s local network and has the router’s administrator credentials to run unauthorized commands on the router. This vulnerability could impact the integrity of the affected router. There is no impact on confidentiality or availability of the affected r

Sources

  • CIRCL Vulnerability LookupVulnerability recordCVE-2026-9218

    Insufficient input validation vulnerability in time server (NTP) setting of the listed NETGEAR models allows an attacker who is connected to the router’s local network and has the router’s administrator credentials to run unauthorized commands on the router. This vulnerability co

    vulnerability.circl.lu
  • CVE.orgVulnerability recordCVE-2026-9218

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-9218

    30-day exploitation probability 0.2%

    first.org

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.