CVE-2026-9218
Insufficient input validation vulnerability in Certain NETGEAR routers allows unauthorized access
- State
- Published
- Severity
- 4.3 Medium
- Published
- Oct 13, 2026
- Updated
- Oct 16, 2026
- Reserved
- May 21, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.3 Medium | CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/V:D/RE:L/U:Amber | NETGEAR |
| 3.1 | 4.5 Medium | CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N | NETGEAR |
Weaknesses
- CWE-20 Improper input validation
Affected Products
| Product | Versions |
|---|---|
CBR40NETGEAR |
|
R7000NETGEAR |
|
R7000PNETGEAR |
|
RAX40NETGEAR |
|
References
- https://www.netgear.com/support/product/r7000/productpatch
- https://www.netgear.com/support/product/cbr40/productpatch
- https://www.netgear.com/support/product/r7000p/productpatch
- https://www.netgear.com/support/product/rax40/productpatch
- https://kb.netgear.com/000070958/October-2026-NETGEAR-Security-Advisoryvendor-advisorypatch
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