# CVE-2023-39455: Command injection in WRC-1467GHBK-A

> Authenticated attackers can execute arbitrary OS commands on ELECOM wireless LAN routers via crafted requests.

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 18 Aug 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-jrm2-5gp9-26ph

## What is CVE-2023-39455?

CVE-2023-39455 is a high-severity command injection vulnerability in ELECOM CO.,LTD. WRC-1467GHBK-A, published on 18 Aug 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

OS command injection vulnerability in ELECOM wireless LAN routers allows an authenticated user to execute an arbitrary OS command by sending a specially crafted request. Affected products and versions are as follows: WRC-600GHBK-A all versions, WRC-1467GHBK-A all versions, WRC-1900GHBK-A all versions, WRC-733FEBK2-A all versions, WRC-F1167ACF2 all versions, WRC-1467GHBK-S all versions, and WRC-1900GHBK-S all versions.

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

## Which versions are affected by CVE-2023-39455?

It affects 7 products.


Products: Elecom Wrc-1467ghbk-a Firmware, Elecom Wrc-1467ghbk-S Firmware, Elecom Wrc-1900ghbk-a Firmware, Elecom Wrc-1900ghbk-S Firmware, Elecom Wrc-600ghbk-a Firmware, Elecom Wrc-733febk2-a Firmware, Elecom Wrc-F1167acf2 Firmware.

## How do I fix CVE-2023-39455?

No fix has been published for CVE-2023-39455 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-39455 being exploited?

There is no known exploitation of CVE-2023-39455 in the wild and no public exploit code.

## Other vulnerabilities in ELECOM CO.,LTD. WRC-1467GHBK-A

- [CVE-2023-39445](https://insights.sbomify.com/CVE-2023-39445/): Code injection in LAN-WH300N/RE (high 8.8)
- [CVE-2021-20644](https://insights.sbomify.com/CVE-2021-20644/): Cross-site scripting in WRC-1467GHBK-A (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-39455 and fix it if it is affected.

What it is: CVE-2023-39455 is a high-severity command injection vulnerability in ELECOM CO.,LTD. WRC-1467GHBK-A, published on 18 Aug 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-39455 in the wild and no public exploit code.

Affected product: ELECOM CO.,LTD. WRC-1467GHBK-A. 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-2023-39455/ (Markdown: https://insights.sbomify.com/CVE-2023-39455/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-39455
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-39455
- OSV: https://osv.dev/vulnerability/CVE-2023-39455

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-39455/
Summaries are generated and may contain mistakes; the official description above is the record.