# CVE-2018-13109: Auth bypass in n/a

> Attackers can bypass authorization to access and modify restricted ISP settings, such as enabling Telnet, on Epicentro-based broadband gateways.

- **Severity:** High 7.5 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/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 Jul 2018
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-8jvx-68qc-q9g3

## What is CVE-2018-13109?

CVE-2018-13109 is a high-severity authentication bypass vulnerability in n/a, published on 6 Jul 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

All ADB broadband gateways / routers based on the Epicentro platform are affected by an authorization bypass vulnerability where attackers are able to access and manipulate settings within the web interface that are forbidden to end users (e.g., by the ISP). An attacker would be able to enable the TELNET server or other settings as well.

Weakness: CWE-863 (Incorrect Authorization)

## Which versions are affected by CVE-2018-13109?

It affects 4 products.


Products: Adbglobal Dv2210 Firmware, Adbglobal Prg Av4202n Firmware, Adbglobal Vv2220 Firmware, Adbglobal Vv5522 Firmware.

## How do I fix CVE-2018-13109?

No fix has been published for CVE-2018-13109 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-13109 being exploited?

There is no known exploitation of CVE-2018-13109 in the wild and no public exploit code.

Public exploit code:

- ADB Broadband Gateways / Routers - Authorization Bypass (exploitdb)

## Other vulnerabilities in n/a

- [CVE-2018-13108](https://insights.sbomify.com/CVE-2018-13108/): Privilege escalation in n/a (high 7.8)
- [CVE-2018-13110](https://insights.sbomify.com/CVE-2018-13110/): Privilege escalation in n/a (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-13109 and fix it if it is affected.

What it is: CVE-2018-13109 is a high-severity authentication bypass vulnerability in n/a, published on 6 Jul 2018. 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-2018-13109 in the wild and no public exploit code.

Affected product: n/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-2018-13109/ (Markdown: https://insights.sbomify.com/CVE-2018-13109/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-13109
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-13109
- OSV: https://osv.dev/vulnerability/CVE-2018-13109

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-13109/
Summaries are generated and may contain mistakes; the official description above is the record.