Cisco Security Updates – 17 August 2025

Cisco has released security updates to fix several vulnerabilities affecting multiple Cisco products.

The addressed vulnerabilities could allow the attacker to perform denial of service attacks, bypass security restrictions, obtain sensitive information, or execute arbitrary code and gain access to the affected systems.

Sample of addressed vulnerabilities:

1. Cisco Secure Firewall Management Center Software RADIUS Remote Code Execution Vulnerability (CVE-2025-20265):

  • CVSS: 10
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Consequences: Gain Access

2. Cisco Secure Firewall Threat Defense Software Snort 3 Denial of Service Vulnerability (CVE-2025-20217):

  • CVSS: 8.6
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Consequences: Denial of Service
Vulnerabilities
Mitigations

The enterprise should deploy this patch as soon as the testing phase is completed.

Cisco Security Updates

References