# CVE-2019-25251: Teradek VidiU Pro 3.0.3 Server-Side Request Forgery via RTMP Settings

> Attackers can exploit SSRF in Teradek VidiU Pro to bypass firewalls and enumerate networks via manipulated URL parameters.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 24 Dec 2025
- **Updated:** 15 Jul 2026
- **Also known as:** GHSA-8q4f-5f8r-vp4w

## What is CVE-2019-25251?

CVE-2019-25251 is a medium-severity server-side request forgery vulnerability in Teradek, LLC VidiU Pro, published on 24 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Teradek VidiU Pro 3.0.3 contains a server-side request forgery vulnerability in the management interface that allows attackers to manipulate GET parameters 'url' and 'xml_url'. Attackers can exploit this flaw to bypass firewalls, initiate network enumeration, and potentially trigger external HTTP requests to arbitrary destinations.

Weakness: CWE-918 (Server-Side Request Forgery)

## Which versions are affected by CVE-2019-25251?

It affects 3 products.


Products: Teradek Vidiu Firmware, Teradek Vidiu Mini Firmware, Teradek Vidiu Pro Firmware.

## How do I fix CVE-2019-25251?

No fix has been published for CVE-2019-25251 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-25251 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25251 exists.

## Other vulnerabilities in Teradek, LLC VidiU Pro

- [CVE-2021-37375](https://insights.sbomify.com/CVE-2021-37375/): Cross-site scripting in n/a (medium 5.4)
- [CVE-2019-25252](https://insights.sbomify.com/CVE-2019-25252/): Teradek VidiU Pro 3.0.3 Cross-Site Request Forgery via Password Change (medium 5.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-25251 and fix it if it is affected.

What it is: CVE-2019-25251 is a medium-severity server-side request forgery vulnerability in Teradek, LLC VidiU Pro, published on 24 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-2019-25251 exists.

Affected product: Teradek, LLC VidiU Pro. 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-2019-25251/ (Markdown: https://insights.sbomify.com/CVE-2019-25251/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-25251
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-25251
- OSV: https://osv.dev/vulnerability/CVE-2019-25251

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From sbomify Insights: https://insights.sbomify.com/CVE-2019-25251/
Summaries are generated and may contain mistakes; the official description above is the record.