# CVE-2017-12318: Denial of service in Cisco RF Gateway 1

> Remote attackers can cause denial of service on Cisco RF Gateway 1 devices by exhausting TCP connections, disrupting video stream delivery.

- **Severity:** High 7.5 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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:** 16 Nov 2017
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-p674-x937-fj22

## What is CVE-2017-12318?

CVE-2017-12318 is a high-severity denial of service vulnerability in Cisco RF Gateway 1, published on 16 Nov 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability in the TCP state machine of Cisco RF Gateway 1 devices could allow an unauthenticated, remote attacker to prevent an affected device from delivering switched digital video (SDV) or video on demand (VoD) streams, resulting in a denial of service (DoS) condition. The vulnerability is due to a processing error with TCP connections to the affected device. An attacker could exploit this vulnerability by establishing a large number of TCP connections to an affected device and not actively closing those TCP connections. A successful exploit could allow the attacker to prevent the affected device from delivering SDV or VoD streams to set-top boxes. Cisco Bug IDs: CSCvf19887.

Weakness: CWE-400 (Uncontrolled Resource Consumption), CWE-399

## Which versions are affected by CVE-2017-12318?

It affects 1 product.


Products: Cisco Rf Gateway 1 Firmware.

## How do I fix CVE-2017-12318?

No fix has been published for CVE-2017-12318 yet. Limit exposure of the affected software until one is available.

## Is CVE-2017-12318 being exploited?

There is no known exploitation of CVE-2017-12318 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-12318 and fix it if it is affected.

What it is: CVE-2017-12318 is a high-severity denial of service vulnerability in Cisco RF Gateway 1, published on 16 Nov 2017. 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-2017-12318 in the wild and no public exploit code.

Affected product: Cisco RF Gateway 1. 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-2017-12318/ (Markdown: https://insights.sbomify.com/CVE-2017-12318/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-12318
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-12318
- OSV: https://osv.dev/vulnerability/CVE-2017-12318

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From sbomify Insights: https://insights.sbomify.com/CVE-2017-12318/
Summaries are generated and may contain mistakes; the official description above is the record.