[Vulnerability Alert] Two Major Security Vulnerabilities Found in F5's OS

• Subject: [Vulnerability Alert] Two Major Security Vulnerabilities Found in F5's OS

• Content:
  • Forwarded from Taiwan Computer Network Emergency Response Team/Coordination Center TWCERTCC-200-202510-00000010
  • Multi-cloud application services and security vendor F5 recently published an advisory for 2 major security vulnerabilities (CVE-2025-57780, CVSS 3.x: 8.8 and CVE-2025-61955, CVSS: 8.8), both allowing an authenticated attacker with local access privileges to elevate privileges and execute arbitrary system commands.
• Affected Platforms:
  • F5OS - Appliance 1.8.0
  • F5OS - Appliance versions 1.5.1 to 1.5.3
  • F5OS - Chassis versions 1.8.0 to 1.8.1
  • F5OS - Chassis versions 1.6.0 to 1.6.2
• Recommended Action:
  • Please update to the following versions:
  • F5OS - Appliance version 1.8.3
  • F5OS - Appliance version 1.5.4
  • F5OS - Chassis version 1.8.2
  • F5OS - Chassis version 1.6.4
• References:
  • F5 Security Advisory: https://www.f5.com/company/news/articles/f5-security-advisory-october-2025

Computer and Communications Center
Network Systems Group