# CVE-2023-40069: Command injection in WRC-1167GHBK2

> An attacker can execute arbitrary OS commands on ELECOM wireless LAN routers by sending a specially crafted request.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 18 Aug 2023
- **Updated:** 8 Oct 2024
- **Also known as:** GHSA-hh45-jmxc-j9rr

## What is CVE-2023-40069?

CVE-2023-40069 is a critical command injection vulnerability in ELECOM CO.,LTD. WRC-1167GHBK2, published on 18 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

OS command injection vulnerability in ELECOM wireless LAN routers allows an attacker who can access the product to execute an arbitrary OS command by sending a specially crafted request. Affected products and versions are as follows: WRC-F1167ACF all versions, WRC-1750GHBK all versions, WRC-1167GHBK2 all versions, WRC-1750GHBK2-I all versions, and WRC-1750GHBK-E all versions.

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

## Which versions are affected by CVE-2023-40069?

It affects 5 products.


Products: Elecom Wrc-1167ghbk2 Firmware, Elecom Wrc-1750ghbk-E Firmware, Elecom Wrc-1750ghbk2-I Firmware, Elecom Wrc-1750ghbk Firmware, Elecom Wrc-F1167acf Firmware.

## How do I fix CVE-2023-40069?

No fix has been published for CVE-2023-40069 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-40069 being exploited?

There is no known exploitation of CVE-2023-40069 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-40069 and fix it if it is affected.

What it is: CVE-2023-40069 is a critical command injection vulnerability in ELECOM CO.,LTD. WRC-1167GHBK2, published on 18 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-40069 in the wild and no public exploit code.

Affected product: ELECOM CO.,LTD. WRC-1167GHBK2. 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-2023-40069/ (Markdown: https://insights.sbomify.com/CVE-2023-40069/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-40069
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-40069
- OSV: https://osv.dev/vulnerability/CVE-2023-40069

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-40069/
Summaries are generated and may contain mistakes; the official description above is the record.