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CVE-2026-0404

Insufficient input validation in NETGEAR Orbi routers

HIGH
8
CVSS Score
Published: January 13, 2026 at 04:01 PM UTC
Updated: June 17, 2026 at 10:10 AM UTC
12 products affected across 1 vendorRBR850 FirmwareRBS850 FirmwareRBS750

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Severity
HIGH8
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

An insufficient input validation vulnerability in NETGEAR Orbi devices' DHCPv6 functionality allows network adjacent attackers authenticated over WiFi or on LAN to execute OS command injections on the router. DHCPv6 is not enabled by default.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

RBR750 Firmware· NETGEAR
95%
v < 7.2.8.5v < v7.2.8.5
Affected range stops below v7.2.8.5, so it looks safe — our inference, not a vendor statement
netgear-rbr750 (same device)
RBR840 Firmware· NETGEAR
95%
v < 7.2.8.5v < v7.2.8.5
Affected range stops below v7.2.8.5, so it looks safe — our inference, not a vendor statement
netgear-rbr840 (same device)
RBR850 Firmware· NETGEAR
95%
v < 7.2.8.5v < v7.2.8.5
Affected range stops below v7.2.8.5, so it looks safe — our inference, not a vendor statement
netgear-rbr850 (same device)
RBR860 Firmware· NETGEAR
95%
v < 7.2.8.5v < v7.2.8.5
Affected range stops below v7.2.8.5, so it looks safe — our inference, not a vendor statement
netgear-rbr860 (same device)
RBRE950 Firmware· NETGEAR
95%
v < 7.2.8.5v < v7.2.8.5
Affected range stops below v7.2.8.5, so it looks safe — our inference, not a vendor statement
netgear-rbre950 (same device)
RBRE960 Firmware· NETGEAR
95%
v < 7.2.8.5v < v7.2.8.5
Affected range stops below v7.2.8.5, so it looks safe — our inference, not a vendor statement
netgear-rbre960 (same device)
RBS750· NETGEAR
95%
v < 7.2.8.5v < v7.2.8.5
Affected range stops below v7.2.8.5, so it looks safe — our inference, not a vendor statement
RBS840 Firmware· NETGEAR
95%
v < 7.2.8.5v < v7.2.8.5
Affected range stops below v7.2.8.5, so it looks safe — our inference, not a vendor statement
netgear-rbs840 (same device)
RBS850 Firmware· NETGEAR
95%
v < 7.2.8.5v < v7.2.8.5
Affected range stops below v7.2.8.5, so it looks safe — our inference, not a vendor statement
netgear-rbs850 (same device)
RBS860 Firmware· NETGEAR
95%
v < 7.2.8.5v < v7.2.8.5
Affected range stops below v7.2.8.5, so it looks safe — our inference, not a vendor statement
netgear-rbs860 (same device)

References (13)

ProductPatch
Source: cverecord
https://www.netgear.com/support/product/rbre960
ProductPatch
Source: cverecord
https://www.netgear.com/support/product/rbse960
ProductPatch
Source: cverecord
https://www.netgear.com/support/product/rbr850
ProductPatch
Source: cverecord
https://www.netgear.com/support/product/rbs850
ProductPatch
Source: cverecord
https://www.netgear.com/support/product/rbr860
ProductPatch
Source: cverecord
https://www.netgear.com/support/product/rbs860
ProductPatch
Source: cverecord
https://www.netgear.com/support/product/rbre950
ProductPatch
Source: cverecord
https://www.netgear.com/support/product/rbse950

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8HIGH[email protected]
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-20NVD-CWE-noinfo

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