CVE-2018-0300

CVE-2018-0300 describes a path traversal vulnerability in Cisco FXOS on Firepower 4100 Series NGFW and Firepower 9300 Security Appliances, allowing authenticated, remote attackers to create or overwrite arbitrary files during application image uploads. This high-severity vulnerability (CVSS 7.2) has a network attack vector and low attack complexity, potentially leading to arbitrary code execution with root privileges despite signature verification. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.