# CVE-2024-39300: Auth bypass in WAB-I1750-PS

> Remote attackers can bypass authentication to modify settings on ELECOM WAB-I1750-PS devices if Telnet is enabled.

- **Severity:** High 8.1 (`CVSS:3.1/AV:N/AC:H/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:** 30 Aug 2024
- **Updated:** 21 Oct 2024
- **Also known as:** GHSA-w4qw-whg8-4fjc

## What is CVE-2024-39300?

CVE-2024-39300 is a high-severity authentication bypass vulnerability in ELECOM CO.,LTD. WAB-I1750-PS, published on 30 Aug 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Missing authentication vulnerability exists in Telnet function of WAB-I1750-PS v1.5.10 and earlier. When Telnet function of the product is enabled, a remote attacker may login to the product without authentication and alter the product's settings.

Weakness: CWE-306 (Missing Authentication for Critical Functionality)

## Which versions are affected by CVE-2024-39300?

It affects 1 product.


Products: Elecom Wab-I1750-Ps Firmware.

## How do I fix CVE-2024-39300?

No fix has been published for CVE-2024-39300 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-39300 being exploited?

There is no known exploitation of CVE-2024-39300 in the wild and no public exploit code.

## Other vulnerabilities in ELECOM CO.,LTD. WAB-I1750-PS

- [CVE-2024-43689](https://insights.sbomify.com/CVE-2024-43689/): Memory corruption in WAB-I1750-PS (high 8.8)
- [CVE-2024-42412](https://insights.sbomify.com/CVE-2024-42412/): Cross-site scripting in WAB-I1750-PS (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-39300 and fix it if it is affected.

What it is: CVE-2024-39300 is a high-severity authentication bypass vulnerability in ELECOM CO.,LTD. WAB-I1750-PS, published on 30 Aug 2024. 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-2024-39300 in the wild and no public exploit code.

Affected product: ELECOM CO.,LTD. WAB-I1750-PS. 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-2024-39300/ (Markdown: https://insights.sbomify.com/CVE-2024-39300/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-39300
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-39300
- OSV: https://osv.dev/vulnerability/CVE-2024-39300

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-39300/
Summaries are generated and may contain mistakes; the official description above is the record.