# CVE-2019-5260: Denial of service in HUAWEI Y9 2019;Honor View 20

> Attackers can cause device reboots via crafted TD-SCDMA messages from rogue base stations due to insufficient input validation.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:A/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:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 13 Dec 2019
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-2x6m-qw3h-9vjw

## What is CVE-2019-5260?

CVE-2019-5260 is a medium-severity denial of service vulnerability in HUAWEI Y9 2019;Honor View 20, published on 13 Dec 2019. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Huawei smartphones HUAWEI Y9 2019 and Honor View 20 have a denial of service vulnerability. Due to insufficient input validation of specific value when parsing the messages, an attacker may send specially crafted TD-SCDMA messages from a rogue base station to the affected devices to exploit this vulnerability. Successful exploit may cause an infinite loop and the device to reboot.

Weakness: CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2019-5260?

It affects 2 products.


Products: Huawei View 20 Firmware, Huawei Y9 2019 Firmware.

## How do I fix CVE-2019-5260?

No fix has been published for CVE-2019-5260 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-5260 being exploited?

There is no known exploitation of CVE-2019-5260 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-5260 and fix it if it is affected.

What it is: CVE-2019-5260 is a medium-severity denial of service vulnerability in HUAWEI Y9 2019;Honor View 20, published on 13 Dec 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2019-5260 in the wild and no public exploit code.

Affected product: HUAWEI Y9 2019;Honor View 20. 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-2019-5260/ (Markdown: https://insights.sbomify.com/CVE-2019-5260/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-5260
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-5260
- OSV: https://osv.dev/vulnerability/CVE-2019-5260

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From sbomify Insights: https://insights.sbomify.com/CVE-2019-5260/
Summaries are generated and may contain mistakes; the official description above is the record.