# CVE-2023-30603: Hitron Technologies Inc. CODA-5310 - Using default credentials

> Attackers can use default Telnet credentials to gain administrator privileges and execute arbitrary commands on Hitron CODA-5310 modems.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/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:** 2 Jun 2023
- **Updated:** 8 Jan 2025
- **Also known as:** GHSA-vppr-7254-jpr7

## What is CVE-2023-30603?

CVE-2023-30603 is a critical vulnerability in Hitron CODA-5310, published on 2 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Hitron Technologies CODA-5310 Telnet function with the default account and password, and there is no warning or prompt to ask users to change the default password and account. An unauthenticated remote attackers can exploit this vulnerability to obtain the administrator’s privilege, resulting in performing arbitrary system operation or disrupt service.

Weakness: CWE-1392 (Use of Default Credentials)

## Which versions are affected by CVE-2023-30603?

It affects 1 product.


Products: Hitrontech Coda-5310 Firmware.

## How do I fix CVE-2023-30603?

No fix has been published for CVE-2023-30603 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-30603 being exploited?

There is no known exploitation of CVE-2023-30603 in the wild and no public exploit code.

## Other vulnerabilities in Hitron CODA-5310

- [CVE-2023-30604](https://insights.sbomify.com/CVE-2023-30604/): Hitron Technologies Inc. CODA-5310 - Broken Access Control (critical 9.8)
- [CVE-2023-30602](https://insights.sbomify.com/CVE-2023-30602/): Hitron Technologies Inc. CODA-5310 - Insecure service Telnet (high 7.5)
- [CVE-2022-47616](https://insights.sbomify.com/CVE-2022-47616/): Hitron Technologies Inc. CODA-5310 - Remote Command Execution (high 7.2)
- [CVE-2022-47617](https://insights.sbomify.com/CVE-2022-47617/): Hitron Technologies Inc. CODA-5310 - Hard-coded Cryptographic Key (high 7.2)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-30603 and fix it if it is affected.

What it is: CVE-2023-30603 is a critical vulnerability in Hitron CODA-5310, published on 2 Jun 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-2023-30603 in the wild and no public exploit code.

Affected product: Hitron CODA-5310. 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-2023-30603/ (Markdown: https://insights.sbomify.com/CVE-2023-30603/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-30603
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-30603
- OSV: https://osv.dev/vulnerability/CVE-2023-30603

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-30603/
Summaries are generated and may contain mistakes; the official description above is the record.