Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-0403

Severity CVSS v4.0:
LOW
Type:
CWE-20 Input Validation
Publication date:
13/01/2026
Last modified:
20/02/2026

Description

An insufficient input validation vulnerability in NETGEAR Orbi routers <br /> allows attackers connected to the router&amp;#39;s LAN to execute OS command <br /> injections.

Impact

Vector 4.0
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/AU:N/R:U/V:D/RE:M/U:Amber CVSS v4.0 Severity and Metrics:

Base Score: 1.10 LOW
Vector: 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/AU:N/R:U/V:D/RE:M/U:Amber

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): High
User Interaction (UI): None
Confidentiality (VC): None
Integrity (VI): Low
Availability (VA): None
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None
Automatable (AU): No
Recovery (R): User
Value Density (V): Diffuse
Vulnerability Response Effort (RE): Moderate
Provider Urgency (U): Amber
Exploit Maturity (E): Unreported

Base Score 4.0
1.10
Severity 4.0
LOW
Vector 3.x
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.00 HIGH
Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
8.00
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:netgear:rbe971_firmware:*:*:*:*:*:*:*:* 9.10.0.2 (excluding)
cpe:2.3:h:netgear:rbe971:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rbe970_firmware:*:*:*:*:*:*:*:* 9.10.0.2 (excluding)
cpe:2.3:h:netgear:rbe970:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rbr750_firmware:*:*:*:*:*:*:*:* 7.2.8.5 (excluding)
cpe:2.3:h:netgear:rbr750:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rbr850_firmware:*:*:*:*:*:*:*:* 7.2.8.5 (excluding)
cpe:2.3:h:netgear:rbr850:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rbr860_firmware:*:*:*:*:*:*:*:* 7.2.8.5 (excluding)
cpe:2.3:h:netgear:rbr860:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rbs750_firmware:*:*:*:*:*:*:*:* 7.2.8.5 (excluding)
cpe:2.3:h:netgear:rbs750:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rbs850_firmware:*:*:*:*:*:*:*:* 7.2.8.5 (excluding)
cpe:2.3:h:netgear:rbs850:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rbs860_firmware:*:*:*:*:*:*:*:* 7.2.8.5 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools