Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-20025

A vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an authenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a DoS condition. To exploit this vulnerability, the attacker must have the OSPF secret key. This vulnerability is due to insufficient input validation when processing OSPF link-state update (LSU) packets. An attacker could exploit this vulnerability by sending crafted OSPF LSU packets. A successful exploit could allow the attacker to corrupt the heap, causing the device to reload, resulting in a DoS condition.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 15.3%
CVSS Severity
CVSS v3 Score 6.8
Products affected by CVE-2026-20025


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