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.

CrowdSec network observations suggest that most exploitation of CVE-2022-38627 involves focused reconnaissance to identify viable targets. Attackers typically tailor their campaigns based on system exposure and configuration. It is unlikely that a given attack is accidental. Data from the CrowdSec community also indicates a gradual decrease in attacks targeting CVE-2022-38627. 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.

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.