Risk Letters

Exploited vulnerability

CVE-2022-30525

TLP:CLEAR

Zyxel Multiple Firewalls OS Command Injection Vulnerability

A command injection vulnerability in the CGI program of some Zyxel firewall versions could allow an attacker to modify specific files and then execute some OS commands on a vulnerable device.

Facts

  • Vendor: Zyxel
  • Product: Multiple Firewalls
  • CVSS: 9.8
  • EPSS (probability of exploitation within 30 days): 99.9 %
  • On CISA's Known Exploited Vulnerabilities list since: 16 May 2022
  • First known exploitation: 16 May 2022
  • CISA's deadline for US federal agencies: 6 June 2022
  • Weakness: CWE-78
  • First seen by Risk Letters: 16 May 2022

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