# CVE-2022-50803: JM-DATA ONU JF511-TV 1.0.67 Default Credentials Vulnerability

> Attackers can use default credentials to gain administrative access to JM-DATA ONU devices, compromising network security.

- **Severity:** Critical 9.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 30 Dec 2025
- **Updated:** 5 Jan 2026
- **Also known as:** GHSA-3crj-9596-945w

## What is CVE-2022-50803?

CVE-2022-50803 is a critical vulnerability in JM-DATA ONU JF511-TV, published on 30 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

JM-DATA ONU JF511-TV version 1.0.67 uses default credentials that allow attackers to gain unauthorized access to the device with administrative privileges.

Weakness: CWE-1392 (Use of Default Credentials)

## Which versions are affected by CVE-2022-50803?


## How do I fix CVE-2022-50803?

No fix has been published for CVE-2022-50803 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-50803 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-50803 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-50803 and fix it if it is affected.

What it is: CVE-2022-50803 is a critical vulnerability in JM-DATA ONU JF511-TV, published on 30 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-50803 exists.

Affected product: JM-DATA ONU JF511-TV. 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-2022-50803/ (Markdown: https://insights.sbomify.com/CVE-2022-50803/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-50803
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-50803
- OSV: https://osv.dev/vulnerability/CVE-2022-50803

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From sbomify Insights: https://insights.sbomify.com/CVE-2022-50803/
Summaries are generated and may contain mistakes; the official description above is the record.