Linear eMerge E3-Series - SQLi (CVE-2022-38627)

CVE-2022-38627 is a critical SQL injection vulnerability in Nortek Linear eMerge E3-Series controllers, affecting multiple firmware versions through the idt parameter. This flaw allows remote, unauthenticated attackers to execute arbitrary SQL commands, potentially leading to full compromise of the underlying database, data theft, or manipulation of system operations.

CrowdSec has been tracking this vulnerability and its exploits since 1st of October 2025.

According to CrowdSec data, while opportunistic exploitation dominates, a portion of threat actors trying to exploit CVE-2022-38627 apply basic targeting methods such as port or service detection. This indicates emerging patterns of selective targeting. Additionally, according to week-over-week analysis by CrowdSec, exploitation of CVE-2022-38627 is surging. Attack volumes are spiking well above historical norms, indicating widespread and escalating interest from threat actors. CVE-2022-38627 is currently experiencing high visibility and active exploitation across the internet.

Attackers exploit the /badging/badge_template_print.php endpoint by injecting malicious SQL code into the idt parameter, attempting to execute arbitrary SQL queries against the backend database.