# CVE-2023-4498: Authentication Bypass in Tenda N300 Wireless N VDSL2 Modem Router

> Unauthenticated attackers can access restricted pages on Tenda N300 routers, bypassing authentication controls.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 6 Sep 2023
- **Updated:** 4 Nov 2025
- **Also known as:** GHSA-jvr3-fj9r-5q66

## What is CVE-2023-4498?

CVE-2023-4498 is a medium-severity authentication bypass vulnerability in Tenda N300 Wireless N VDSL2 Modem Router, published on 6 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Tenda N300 Wireless N VDSL2 Modem Router allows unauthenticated access to pages that in turn should be accessible to authenticated users only

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2023-4498?

It affects 1 product.


Products: Tenda N300 Firmware.

## How do I fix CVE-2023-4498?

No fix has been published for CVE-2023-4498 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-4498 being exploited?

There is no known exploitation of CVE-2023-4498 in the wild and no public exploit code.

## Other vulnerabilities in Tenda N300 Wireless N VDSL2 Modem Router

- [CVE-2024-25343](https://insights.sbomify.com/CVE-2024-25343/): Security feature bypass in n/a (critical 9.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-4498 and fix it if it is affected.

What it is: CVE-2023-4498 is a medium-severity authentication bypass vulnerability in Tenda N300 Wireless N VDSL2 Modem Router, published on 6 Sep 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-2023-4498 in the wild and no public exploit code.

Affected product: Tenda N300 Wireless N VDSL2 Modem Router. 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-2023-4498/ (Markdown: https://insights.sbomify.com/CVE-2023-4498/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-4498
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-4498
- OSV: https://osv.dev/vulnerability/CVE-2023-4498

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-4498/
Summaries are generated and may contain mistakes; the official description above is the record.