CVE-2026-3088: Netgear Orbi Routers out-of-bounds write denial of service

CVE-2026-3088 · Severity: info · CVSS 4.9 · Published 2026-06-09

A vulnerability in several Netgear Orbi router models allows an attacker on the local network to crash the device. This results in a loss of internet connectivity and network services for all connected users. An attacker does not need a password to trigger this disruption, potentially impacting business operations or home connectivity.

Technologies: NETGEAR RBR860, NETGEAR RBRE950, NETGEAR RBRE960, NETGEAR RBS860, NETGEAR RBSE950, NETGEAR RBSE960. Vendors: NETGEAR.

Quick answers

Is CVE-2026-3088 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-3088 being exploited in the wild.
How severe is CVE-2026-3088?
Informational severity, with a CVSS score of 4.9, published 9 June 2026.
Which products and versions are affected?
Netgear RBR860; Netgear RBRE950; Netgear RBRE960; Netgear RBS860; and 2 more.
Is there a fix for CVE-2026-3088?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-3088 attacked?
It is attacked from the adjacent network, in a network appliance.
Am I affected by CVE-2026-3088?
Check whether you run NETGEAR RBR860, NETGEAR RBRE950, NETGEAR RBRE960 or one of the others listed. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A denial-of-service vulnerability exists in multiple Netgear router models (RBR860, RBRE950, RBRE960, RBS860, RBSE950, RBSE960) due to an out-of-bounds write (CWE-787). An unauthenticated attacker located on the same local network (adjacent) can exploit this by sending specially crafted requests to the device. Successful exploitation leads to a crash or hang, rendering the router unavailable. The vulnerability is tracked as CVE-2026-3088 and has been assigned a CVSS 4.0 score of 4.9 by the vendor.

Affected products

  • Netgear RBR860
  • Netgear RBRE950
  • Netgear RBRE960
  • Netgear RBS860
  • Netgear RBSE950
  • Netgear RBSE960

Timeline

  • 2026-06-09: disclosed: CVE published to NVD dataset

References

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.