# Nas520 vulnerabilities

> Nas520 is made by Zyxel. We track 3 published vulnerabilities listed under that exact name, across 0 versions. 1 of them is on the list of flaws known to be exploited, the newest added on 25 March 2022. Zyxel lists newer releases under their own names, such as Nas520 Firmware, so check those pages too.

Canonical page: https://www.precursorintelligence.com/product/zyxel/nas520

## At a glance

- **Made by:** [Zyxel](https://www.precursorintelligence.com/vendors/zyxel)
- **Published vulnerabilities:** 3
- **Known to be exploited:** 1 (listed under the name Nas520)
- **Versions tracked:** 0
- **Most recently added to the known-exploited list:** [CVE-2020-9054](https://www.precursorintelligence.com/what-is/cve-2020-9054), 25 March 2022. We keep watching the list.

## Is Nas520 listed under other names?

Zyxel also lists Nas520 under more specific names, such as Nas520 Firmware. Flaws listed only under those names are counted on their own pages, not here.

- [Nas520 Firmware](https://www.precursorintelligence.com/product/zyxel/nas520_firmware): 3 published vulnerabilities

## Which Nas520 vulnerabilities are being exploited?

1 flaw is on the government list of vulnerabilities known to be exploited, newest first:

- [CVE-2020-9054](https://www.precursorintelligence.com/what-is/cve-2020-9054): Zyxel Multiple NAS Devices OS Command Injection Vulnerability. Critical, CVSS 9.8, chance of use in 30 days >99%, known exploited since 25 March 2022.

## Which Nas520 flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast (the chance each flaw is used in an attack in the next 30 days):

- [CVE-2020-9054](https://www.precursorintelligence.com/what-is/cve-2020-9054): >99%, Critical (CVSS 9.8), known exploited
- [CVE-2020-13364](https://www.precursorintelligence.com/what-is/cve-2020-13364): 1.2%, High (CVSS 8.8)
- [CVE-2020-13365](https://www.precursorintelligence.com/what-is/cve-2020-13365): 1.0%, High (CVSS 8.8)

## Questions

### How many vulnerabilities does Nas520 have?

We track 3 published vulnerabilities listed under the name Nas520, across 0 versions. The most recent Nas520 flaw added to the known-exploited list is CVE-2020-9054, on 25 March 2022.

### Which Nas520 vulnerabilities are being exploited?

1 is on the list of flaws known to be exploited. The most recently added is CVE-2020-9054.

### Why are newer Nas520 flaws missing from this page?

Zyxel also lists Nas520 under more specific names, such as Nas520 Firmware. Flaws listed only under those names are counted on their own pages, not here. Open the release you run to see its own list.

### How do I get alerts for Nas520?

Create a Precursor Intelligence account and track Nas520. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.

## Running Nas520?

Precursor Intelligence keeps checking for you:

- **Tell us what you run.** Pick your software from a list, or let us work it out from your website.
- **We match it to every flaw.** Over 400,000 published flaws, checked against your list.
- **Ranked by real-world risk.** Every flaw gets a 0 to 100 risk score, kept up to date, led by evidence criminals are using it.
- **Told as soon as we know.** An alert by email, in the app or by webhook to your own tools.

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