# Zyxel USG20(W)-VPN firmware.

Every CVE that names Zyxel USG20(W)-VPN firmware among its affected products, newest first. Vendors and products are as the CNA wrote them.

## Records, newest first

- [Buffer overflow in Zyxel ATP series firmware and others](https://agentprime.io/advisories/CVE-2023-33010.md)
  `CVE-2023-33010` · CVE record: Zyxel ATP series firmware and 4 more · CVSS 9.8 Critical · Critical (KEV, CVSS 9+, CVSS 7+ and EPSS) · In CISA KEV · EPSS 0.29 · Not analysed yet · Published 24 May 2023 · Tags: Memory corruption
- [Buffer overflow in Zyxel ATP series firmware and others](https://agentprime.io/advisories/CVE-2023-33009.md)
  `CVE-2023-33009` · CVE record: Zyxel ATP series firmware and 4 more · CVSS 9.8 Critical · Critical (KEV, CVSS 9+, CVSS 7+ and EPSS) · In CISA KEV · EPSS 0.28 · Not analysed yet · Published 24 May 2023 · Tags: Memory corruption
- [OS command injection in Zyxel ATP series firmware and others](https://agentprime.io/advisories/CVE-2023-27991.md)
  `CVE-2023-27991` · CVE record: Zyxel ATP series firmware and 4 more · CVSS 8.8 High · Not analysed yet · Published 24 Apr 2023 · Tags: Command injection
- [Cross-site scripting in Zyxel ATP series firmware and others](https://agentprime.io/advisories/CVE-2023-27990.md)
  `CVE-2023-27990` · CVE record: Zyxel ATP series firmware and 4 more · CVSS 4.8 Medium · Not analysed yet · Published 24 Apr 2023 · Tags: Cross-site scripting (XSS)
- [Exposure of personal information in Zyxel ATP series firmware and others](https://agentprime.io/advisories/CVE-2023-22918.md)
  `CVE-2023-22918` · CVE record: Zyxel ATP series firmware and 4 more · CVSS 6.5 Medium · Not analysed yet · Published 24 Apr 2023 · Tags: Information disclosure
- [Buffer overflow in Zyxel ATP series firmware and others](https://agentprime.io/advisories/CVE-2023-22917.md)
  `CVE-2023-22917` · CVE record: Zyxel ATP series firmware and 4 more · CVSS 7.5 High · Not analysed yet · Published 24 Apr 2023 · Tags: Memory corruption
- [Improper input validation in Zyxel ATP series firmware and others](https://agentprime.io/advisories/CVE-2023-22916.md)
  `CVE-2023-22916` · CVE record: Zyxel ATP series firmware and 4 more · CVSS 8.1 High · Not analysed yet · Published 24 Apr 2023 · Tags: CWE-20
- [Buffer overflow in Zyxel USG FLEX series firmware and others](https://agentprime.io/advisories/CVE-2023-22915.md)
  `CVE-2023-22915` · CVE record: Zyxel USG FLEX series firmware and 3 more · CVSS 7.5 High · Not analysed yet · Published 24 Apr 2023 · Tags: Memory corruption

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- Every list: <https://agentprime.io/advisories.md>, critical: <https://agentprime.io/advisories/critical.md>; by weakness: <https://agentprime.io/advisories/tag/sql-injection.md> and the other tags in <https://agentprime.io/llms.txt>; by technology: `/advisories/technology/<slug>.md` (`fortinet-fortimail`)

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The web page: <https://agentprime.io/advisories/technology/zyxel-usg20-w-vpn-firmware/>. Everything for agents: <https://agentprime.io/llms.txt>.