Risk Letters

Exploited vulnerability

CVE-2023-27992

TLP:CLEAR

Zyxel Multiple NAS Devices Command Injection Vulnerability

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.

Facts

  • Vendor: Zyxel
  • Product: Multiple Network-Attached Storage (NAS) Devices
  • CVSS: 9.8
  • EPSS (probability of exploitation within 30 days): 82.3 %
  • On CISA's Known Exploited Vulnerabilities list since: 23 June 2023
  • First known exploitation: 23 June 2023
  • CISA's deadline for US federal agencies: 14 July 2023
  • Weakness: CWE-78
  • First seen by Risk Letters: 23 June 2023

Members see which Nordic sectors the flaw hits, and what to do about it.

Get the full brief

Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD