FortiNAC - RCE (CVE-2022-39952)

CVE-2022-39952 is a critical vulnerability in Fortinet FortiNAC that allows unauthenticated attackers to gain remote code execution by manipulating file paths through crafted network requests.

CrowdSec has been tracking this vulnerability and its exploits since 6th of June 2025.

According to CrowdSec data, while opportunistic exploitation dominates, a portion of threat actors trying to exploit CVE-2022-39952 apply basic targeting methods such as port or service detection. This indicates emerging patterns of selective targeting. Data from the CrowdSec community also indicates a gradual decrease in attacks targeting CVE-2022-39952. While still present in the wild, exploitation levels have dropped noticeably week-over-week. This may signal that the vulnerability is becoming less relevant or that defenses are improving fast enough for attackers to lose interest.

Exploitation attempts are primarily directed at URLs containing /configwizard/keyupload.jsp.