CVE-2026-0403: Insufficient input validation in NETGEAR Orbi routers

Severity: high (CVSS 8.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-01-13 · updated 2026-06-17
Weakness: CWE-20

Description

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

Affected products

NETGEAR RBE970: before 9.10.0.2 — fixed in 9.10.0.2
NETGEAR Rbe971 Firmware: before 9.10.0.2 — fixed in 9.10.0.2
NETGEAR Rbr750 Firmware: before 7.2.8.5 — fixed in 7.2.8.5
NETGEAR Rbr850 Firmware: before 7.2.8.5 — fixed in 7.2.8.5
NETGEAR Rbr860 Firmware: before 7.2.8.5 — fixed in 7.2.8.5
NETGEAR Rbre960 Firmware: before 7.2.8.5 — fixed in 7.2.8.5
Netgear Orbi Satellite RBS750: before 7.2.8.5 — fixed in 7.2.8.5
NETGEAR Rbs850 Firmware: before 7.2.8.5 — fixed in 7.2.8.5
NETGEAR Rbs860 Firmware: before 7.2.8.5 — fixed in 7.2.8.5
NETGEAR Rbse960 Firmware: before 7.2.8.5 — fixed in 7.2.8.5

How to fix

Upgrade to a fixed version: NETGEAR RBE970 9.10.0.2; NETGEAR Rbe971 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 Rbre960 Firmware 7.2.8.5; Netgear Orbi Satellite RBS750 7.2.8.5; NETGEAR Rbs850 Firmware 7.2.8.5; NETGEAR Rbs860 Firmware 7.2.8.5; NETGEAR Rbse960 Firmware 7.2.8.5. Check the vendor advisory for mitigations.

References

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