# CVE-2017-15324: Denial of service in S12700

> Remote attackers can cause Huawei network switches to restart by sending malformed NQA packets, resulting in a denial of service.

- **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:** 22 Dec 2017
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-x4f4-7jg6-vx7p

## What is CVE-2017-15324?

CVE-2017-15324 is a high-severity denial of service vulnerability in Huawei Technologies Co., Ltd. S12700, published on 22 Dec 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Huawei S5700 and S6700 with software of V200R005C00 have a DoS vulnerability due to insufficient validation of the Network Quality Analysis (NQA) packets. A remote attacker could exploit this vulnerability by sending malformed NQA packets to the target device. Successful exploitation could make the device restart.

Weakness: CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2017-15324?

It affects 2 products.


Products: Huawei S5700 Firmware, Huawei S6700 Firmware.

## How do I fix CVE-2017-15324?

No fix has been published for CVE-2017-15324 yet. Limit exposure of the affected software until one is available.

## Is CVE-2017-15324 being exploited?

There is no known exploitation of CVE-2017-15324 in the wild and no public exploit code.

## Other vulnerabilities in Huawei Technologies Co., Ltd. S12700

- [CVE-2021-22359](https://insights.sbomify.com/CVE-2021-22359/): Denial of service in S5700;S6700 (high 7.5)
- [CVE-2019-5290](https://insights.sbomify.com/CVE-2019-5290/): Null dereference in S5700;S6700 (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-15324 and fix it if it is affected.

What it is: CVE-2017-15324 is a high-severity denial of service vulnerability in Huawei Technologies Co., Ltd. S12700, published on 22 Dec 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-2017-15324 in the wild and no public exploit code.

Affected product: Huawei Technologies Co., Ltd. S12700. 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-2017-15324/ (Markdown: https://insights.sbomify.com/CVE-2017-15324/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-15324
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-15324
- OSV: https://osv.dev/vulnerability/CVE-2017-15324

---
From sbomify Insights: https://insights.sbomify.com/CVE-2017-15324/
Summaries are generated and may contain mistakes; the official description above is the record.