# CVE-2026-102294: Authenticated OS Command Injection in TL-WR841N IPv6 WAN Configuration

> Authenticated attackers can execute arbitrary OS commands via crafted IPv6 Gateway values in TP-Link TL-WR841N routers.

- **Severity:** High 8.5 (`CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 1 Oct 2026
- **Updated:** 2 Oct 2026
- **Also known as:** GHSA-f292-ffrv-823x

## What is CVE-2026-102294?

CVE-2026-102294 is a high-severity command injection vulnerability in TP-Link System Inc. TL-WR841N v14, published on 1 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

TP-Link TL-WR841N contains an authenticated OS command injection vulnerability in the IPv6 WAN configuration. A crafted IPv6 Gateway value is improperly incorporated into a system command, allowing an authenticated administrator to execute arbitrary operating system commands. 

Successful exploitation may allow unauthorized access to sensitive information, modification of device configuration or services, and disruption of device operation.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command)

## Which versions are affected by CVE-2026-102294?


## How do I fix CVE-2026-102294?

No fix has been published for CVE-2026-102294 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-102294 being exploited?

There is no known exploitation of CVE-2026-102294 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-102294 and fix it if it is affected.

What it is: CVE-2026-102294 is a high-severity command injection vulnerability in TP-Link System Inc. TL-WR841N v14, published on 1 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-2026-102294 in the wild and no public exploit code.

Affected product: TP-Link System Inc. TL-WR841N v14. 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-2026-102294/ (Markdown: https://insights.sbomify.com/CVE-2026-102294/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-102294
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-102294
- OSV: https://osv.dev/vulnerability/CVE-2026-102294

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-102294/
Summaries are generated and may contain mistakes; the official description above is the record.