# CVE-2026-11731: Authentication Bypass Vulnerability in Certain NETGEAR RAX Series Models

> Unauthenticated attackers with adjacent network access can bypass authentication to view or modify NETGEAR RAX router management settings.

- **Severity:** Medium 6.3 (`CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/AU:Y/V:D/U:Amber`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 13 Oct 2026
- **Updated:** 16 Oct 2026
- **Also known as:** GHSA-rvxj-93fw-54qw

## What is CVE-2026-11731?

CVE-2026-11731 is a medium-severity authentication bypass vulnerability in NETGEAR RAX28, published on 13 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

An authentication bypass vulnerability in the listed NETGEAR RAX series models allows an unauthenticated attacker with adjacent access to the affected device’s management service to access certain device information or modify administrative settings. This vulnerability may impact the confidentiality and integrity of management data and the availability of device-management functions.

Weakness: CWE-288 (Authentication Bypass Using an Alternate Path or Channel)

## Which versions are affected by CVE-2026-11731?


## How do I fix CVE-2026-11731?

No fix has been published for CVE-2026-11731 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-11731 being exploited?

There is no known exploitation of CVE-2026-11731 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-11731 and fix it if it is affected.

What it is: CVE-2026-11731 is a medium-severity authentication bypass vulnerability in NETGEAR RAX28, published on 13 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-11731 in the wild and no public exploit code.

Affected product: NETGEAR RAX28. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-11731/ (Markdown: https://insights.sbomify.com/CVE-2026-11731/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-11731
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-11731
- OSV: https://osv.dev/vulnerability/CVE-2026-11731

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-11731/
Summaries are generated and may contain mistakes; the official description above is the record.