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

Source: https://junglewise.ai/threats/cve-2026-3088-netgear-orbi-routers-out-of-bounds-write-denial-of-service  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-06-09. Updated: 2026-06-09  
License: CC BY 4.0 with a link back

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](https://junglewise.ai/threats/technologies/rbr860), [NETGEAR RBRE950](https://junglewise.ai/threats/technologies/rbre950), [NETGEAR RBRE960](https://junglewise.ai/threats/technologies/rbre960), [NETGEAR RBS860](https://junglewise.ai/threats/technologies/rbs860), [NETGEAR RBSE950](https://junglewise.ai/threats/technologies/rbse950), [NETGEAR RBSE960](https://junglewise.ai/threats/technologies/rbse960). Vendors: [NETGEAR](https://junglewise.ai/threats/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

- [https://www.netgear.com/support/product/rbr860/](https://www.netgear.com/support/product/rbr860/)
- [https://www.netgear.com/support/product/rbre950/](https://www.netgear.com/support/product/rbre950/)
- [https://www.netgear.com/support/product/rbre960/](https://www.netgear.com/support/product/rbre960/)
- [https://www.netgear.com/support/product/rbs860/](https://www.netgear.com/support/product/rbs860/)
- [https://www.netgear.com/support/product/rbse950/](https://www.netgear.com/support/product/rbse950/)
- [https://www.netgear.com/support/product/rbse960/](https://www.netgear.com/support/product/rbse960/)

## Related threats

- [NETGEAR Orbi stack-based buffer overflow](https://junglewise.ai/threats/cve-2026-62655-netgear-orbi-stack-based-buffer-overflow)
- [NETGEAR Multiple Router Models insufficient input validation](https://junglewise.ai/threats/cve-2026-0415-netgear-multiple-router-models-insufficient-input-validation)
- [NETGEAR Multiple Router Models stack-based buffer overflow](https://junglewise.ai/threats/cve-2026-0413-netgear-multiple-router-models-stack-based-buffer-overflow)