CVE-2026-0403

Name: CVE-2026-0403
Creator: NVD / NIST
Published: 2026-01-13T16:16:10.15+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 1.1/10EPSS 0.29%

Last modified Jun 17, 2026

CVE-2026-0403 is a low-severity vulnerability rated 1.1/10 on the CVSS scale. An insufficient input validation vulnerability in NETGEAR Orbi routers allows attackers connected to the router's LAN to execute OS command injections.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

Description

An insufficient input validation vulnerability in NETGEAR Orbi routers allows attackers connected to the router's LAN to execute OS command injections.

Metrics

CVSS 3.1

8/10

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

1.1/10

CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:M/U:Amber

EPSS Probability

0.29%

20.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Netgear	Rbe971 Firmware	< 9.10.0.2
Netgear	Rbe970 Firmware	< 9.10.0.2
Netgear	Rbr750 Firmware	< 7.2.8.5
Netgear	Rbr850 Firmware	< 7.2.8.5
Netgear	Rbr860 Firmware	< 7.2.8.5
Netgear	Rbs750 Firmware	< 7.2.8.5
Netgear	Rbs850 Firmware	< 7.2.8.5
Netgear	Rbs860 Firmware	< 7.2.8.5
Netgear	Rbre960 Firmware	< 7.2.8.5
Netgear	Rbse960 Firmware	< 7.2.8.5

References

https://kb.netgear.com/000070442/January-2026-NETGEAR-Security-AdvisoryPatch, Vendor Advisory
https://www.netgear.com/support/product/rbe970Patch, Product
https://www.netgear.com/support/product/rbe971Patch, Product
https://www.netgear.com/support/product/rbr750Patch, Product
https://www.netgear.com/support/product/rbr850Patch, Product
https://www.netgear.com/support/product/rbr860Patch, Product
https://www.netgear.com/support/product/rbre960Patch, Product
https://www.netgear.com/support/product/rbs750Patch, Product
https://www.netgear.com/support/product/rbs850Patch, Product
https://www.netgear.com/support/product/rbs860Patch, Product
https://www.netgear.com/support/product/rbse960Patch, Product

Timeline

Published: Jan 13, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-0403?

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 a CVSS score of 1.1/10 (LOW severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.

How do I fix CVE-2026-0403?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-0403?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST