# CVE-2023-37563: Information disclosure in WRC-1167FEBK-A

> Network-adjacent attackers can obtain sensitive information from ELECOM wireless LAN routers due to improper storage of sensitive data.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`)
- **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 Jul 2023
- **Updated:** 6 Nov 2024
- **Also known as:** GHSA-3jvj-rg8c-7p8m

## What is CVE-2023-37563?

CVE-2023-37563 is a medium-severity vulnerability in ELECOM CO.,LTD. WRC-1167FEBK-A, published on 13 Jul 2023. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

ELECOM wireless LAN routers are vulnerable to sensitive information exposure, which allows a network-adjacent unauthorized attacker to obtain sensitive information. Affected products and versions are as follows: WRC-1167GHBK-S v1.03 and earlier, WRC-1167GEBK-S v1.03 and earlier, WRC-1167FEBK-S v1.04 and earlier, WRC-1167GHBK3-A v1.24 and earlier, WRC-1167FEBK-A v1.18 and earlier, WRC-F1167ACF2 all versions, WRC-600GHBK-A all versions, WRC-733FEBK2-A all versions, WRC-1467GHBK-A all versions, WRC-1467GHBK-S all versions, WRC-1900GHBK-A all versions, and WRC-1900GHBK-S all versions.

Weakness: CWE-922 (Insecure Storage of Sensitive Information)

## Which versions are affected by CVE-2023-37563?

It affects 5 products.


Products: Elecom Wrc-1167febk-a Firmware, Elecom Wrc-1167febk-S Firmware, Elecom Wrc-1167gebk-S Firmware, Elecom Wrc-1167ghbk-S Firmware, Elecom Wrc-1167ghbk3-a Firmware.

## How do I fix CVE-2023-37563?

No fix has been published for CVE-2023-37563 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-37563 being exploited?

There is no known exploitation of CVE-2023-37563 in the wild and no public exploit code.

## Other vulnerabilities in ELECOM CO.,LTD. WRC-1167FEBK-A

- [CVE-2023-37564](https://insights.sbomify.com/CVE-2023-37564/): Command injection in WRC-1167FEBK-A (high 8.0)
- [CVE-2023-37565](https://insights.sbomify.com/CVE-2023-37565/): Code injection in WRC-1167FEBK-A (high 8.0)
- [CVE-2023-37566](https://insights.sbomify.com/CVE-2023-37566/): Command injection in LAN-W301NR (high 8.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-37563 and fix it if it is affected.

What it is: CVE-2023-37563 is a medium-severity vulnerability in ELECOM CO.,LTD. WRC-1167FEBK-A, published on 13 Jul 2023. 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-2023-37563 in the wild and no public exploit code.

Affected product: ELECOM CO.,LTD. WRC-1167FEBK-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-2023-37563/ (Markdown: https://insights.sbomify.com/CVE-2023-37563/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-37563
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-37563
- OSV: https://osv.dev/vulnerability/CVE-2023-37563

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-37563/
Summaries are generated and may contain mistakes; the official description above is the record.