# CVE-2026-123178: NETGEAR Orbi router command injection in input validation

Source: https://junglewise.ai/threats/cve-2026-123178-an-insufficient-input-validation-vulnerability-in-the-listed  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-10. Updated: 2026-11-10  
License: CC BY 4.0 with a link back

CVE-2026-123178 · Severity: medium · CVSS 4.5 · Published 2026-11-10

NETGEAR Orbi mesh routers contain a flaw that allows authenticated administrators on the local network to execute unauthorized commands and modify the router's configuration. This could enable an attacker with administrative access to compromise the device's integrity, alter network settings, or install malicious firmware.

Vendors: [NETGEAR](https://junglewise.ai/threats/vendors/netgear).

## Quick answers

**Is CVE-2026-123178 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-123178 being exploited in the wild.

**How severe is CVE-2026-123178?** Medium severity, with a CVSS score of 4.5, published 10 November 2026.

**Which products and versions are affected?** NETGEAR Orbi RBR350 <UNKNOWN>; NETGEAR Orbi RBS350 <UNKNOWN>.

**Is there a fix for CVE-2026-123178?** 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-2026-123178 attacked?** It is attacked with local access, in a network appliance.

**Am I affected by CVE-2026-123178?** Check whether you run NETGEAR Orbi RBR350 or NETGEAR Orbi RBS350 at an affected version. 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

An insufficient input validation vulnerability in NETGEAR Orbi routers permits authenticated administrators connected to the local network to execute arbitrary commands and modify router functionality. The vulnerability requires prior administrative authentication and local network access. A successful exploit compromises device integrity and allows arbitrary code execution.

## Affected products

- NETGEAR Orbi RBR350 <UNKNOWN>
- NETGEAR Orbi RBS350 <UNKNOWN>

## Timeline

- 2026-11-10: disclosed

## References

- [https://www.netgear.com/support/product/rbr350](https://www.netgear.com/support/product/rbr350)
- [https://www.netgear.com/support/product/rbs350](https://www.netgear.com/support/product/rbs350)

## Related threats

- [NETGEAR Orbi information disclosure in satellite devices](https://junglewise.ai/threats/cve-2026-0411-netgear-orbi-information-disclosure-in-satellite-devices)