Vulnerability Description
An insufficient input validation vulnerability in NETGEAR Orbi routers allows attackers connected to the router's LAN to execute OS command injections.
CVSS Score
8.0
HIGH
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Netgear | Rbe971 Firmware | < 9.10.0.2 |
| Netgear | Rbe971 | - |
| Netgear | Rbe970 Firmware | < 9.10.0.2 |
| Netgear | Rbe970 | - |
| Netgear | Rbr750 Firmware | < 7.2.8.5 |
| Netgear | Rbr750 | - |
| Netgear | Rbr850 Firmware | < 7.2.8.5 |
| Netgear | Rbr850 | - |
| Netgear | Rbr860 Firmware | < 7.2.8.5 |
| Netgear | Rbr860 | - |
| Netgear | Rbs750 Firmware | < 7.2.8.5 |
| Netgear | Rbs750 | - |
| Netgear | Rbs850 Firmware | < 7.2.8.5 |
| Netgear | Rbs850 | - |
| Netgear | Rbs860 Firmware | < 7.2.8.5 |
| Netgear | Rbs860 | - |
| Netgear | Rbre960 Firmware | < 7.2.8.5 |
| Netgear | Rbre960 | - |
| Netgear | Rbse960 Firmware | < 7.2.8.5 |
| Netgear | Rbse960 | - |
Related Weaknesses (CWE)
References
- https://kb.netgear.com/000070442/January-2026-NETGEAR-Security-AdvisoryPatchVendor Advisory
- https://www.netgear.com/support/product/rbe970PatchProduct
- https://www.netgear.com/support/product/rbe971PatchProduct
- https://www.netgear.com/support/product/rbr750PatchProduct
- https://www.netgear.com/support/product/rbr850PatchProduct
- https://www.netgear.com/support/product/rbr860PatchProduct
- https://www.netgear.com/support/product/rbre960PatchProduct
- https://www.netgear.com/support/product/rbs750PatchProduct
- https://www.netgear.com/support/product/rbs850PatchProduct
- https://www.netgear.com/support/product/rbs860PatchProduct
- https://www.netgear.com/support/product/rbse960PatchProduct
FAQ
What is CVE-2026-0403?
CVE-2026-0403 is a vulnerability with a CVSS score of 8.0 (HIGH). An insufficient input validation vulnerability in NETGEAR Orbi routers allows attackers connected to the router's LAN to execute OS command injections.
How severe is CVE-2026-0403?
CVE-2026-0403 has been rated HIGH with a CVSS base score of 8.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-0403?
Check the references section above for vendor advisories and patch information. Affected products include: Netgear Rbe971 Firmware, Netgear Rbe971, Netgear Rbe970 Firmware, Netgear Rbe970, Netgear Rbr750 Firmware.