CVE-2026-3088

Service interruption via undisclosed out-of-bounds write

Published Jun 9, 2026 · Updated Jun 9, 2026

Out-of-bounds write in NETGEAR Orbi firmware allows remote attackers on the local network to make affected routers and satellites unavailable. NETGEAR identifies crafted requests and CWE-787 but does not disclose the affected component or the operation that writes beyond a buffer boundary. No authentication or user interaction is required, and no confidentiality or integrity impact is reported.

CVSS severity6.5
Medium
EPSS probability0.36%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Out-of-bounds write in NETGEAR Orbi firmware allows remote attackers on the local network to make affected routers and satellites unavailable. NETGEAR identifies crafted requests and CWE-787 but does not disclose the affected component or the operation that writes beyond a buffer boundary. No authentication or user interaction is required, and no confidentiality or integrity impact is reported.

The record

CVE
CVE-2026-3088
Published
Jun 9, 2026
Updated
Jun 9, 2026
Vendor
NETGEAR
Product
RBS860 Orbi Tri-Band Mesh WiFi 6 Add-on Satellite
Classifications
CWE-787, T1499
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 9, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 9, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <V7.2.7.15

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

NETGEAR · RBS860 Orbi Tri-Band Mesh WiFi 6 Add-on Satelliteversion=0 <V7.2.7.15
NETGEAR · RBR860 Orbi Tri-Band Mesh WiFi 6 Routerversion=V6.3.7.10 <V7.2.7.15
NETGEAR · RBSE950 Orbi Quad-Band Mesh WiFi 6E Add-on Satelliteversion=0 <v7.2.7.15
NETGEAR · RBE971 Orbi Quad-Band Mesh WiFi 7 Routerversion=V6.3.7.10 <V9.10.1.4
NETGEAR · RBRE950 Orbi Quad-Band Mesh WiFi 6E Routerversion=0 <v7.2.7.15
NETGEAR · RBSE960 Orbi Quad-Band Mesh WiFi 6E Add-on Satelliteversion=0 <V7.2.7.15
NETGEAR · RBE970 Orbi Quad-Band Mesh WiFi 7 Add-on Satelliteversion=V6.3.7.10 <V9.10.1.4
NETGEAR · RBRE960 Orbi Quad-Band Mesh WiFi 6E Routerversion=V6.3.7.10 <V7.2.7.15

Published CVSS scores

4.9NETGEARCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U
6.5NIST NVDCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-787Out-of-bounds Write
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo