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CVE-2023-27992

CISA KEV

Published June 23, 2023 · Updated April 3, 2026

high
Official 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.

Affected Products

VendorProduct
ZyxelMultiple Network-Attached Storage (NAS) Devices

Patch Status

Patch by 2023-07-14

Recommended Actions

  1. Check if your systems use any of the affected products listed above.
  2. Apply vendor patches immediately if available.
  3. This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
  4. Monitor vendor advisories for updates and additional mitigations.
  5. Review logs for indicators of compromise related to CVE-2023-27992.