CVE-2023-27992

unknown KEV

Published 2023-06-23 · Modified 2023-06-23

CVSS v3

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CVSS v2

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VIR risk

1.5

Description

Multiple Zyxel network-attached storage (NAS) devices contain a pre-authentication command injection vulnerability that could allow an unauthenticated attacker to execute commands remotely via a crafted HTTP request.

CISA KEV

Vendor: Zyxel
Product: Multiple Network-Attached Storage (NAS) Devices
Due date: 2023-07-14

Predictions

Exploit likelihood

99%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cisa-kev — https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-pre-authentication-command-injection-vulnerability-in-nas-products; https://nvd.nist.gov/vuln/detail/CVE-2023-27992

Exploits

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-pre-authentication-command-injection-vulnerability-in-nas-products; https://nvd.nist.gov/vuln/detail/CVE-2023-27992

Verify integrity in audit chain (admin only). AS-IS.