Fireware - RCE (CVE-2020-10532)

CVE-2020-10532 is a vulnerability in the AD Helper component of WatchGuard Fireware prior to version 5.8.5.10317 that allows remote attackers to obtain cleartext passwords by accessing the /domains/list URI. This exposure of sensitive credentials could enable attackers to compromise user accounts or escalate privileges within affected environments.

CrowdSec has been tracking this vulnerability and its exploits since 3rd of June 2026.

CrowdSec network observations suggest that most exploitation of CVE-2020-10532 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. In addition, according to the CrowdSec network, attack volume against CVE-2020-10532 has dipped slightly compared to the previous week. Although still commonly targeted, the decline suggests a cooling-off period. Long-term relevance remains, but attention is waning.

Attackers exploit this vulnerability by sending unauthenticated GET requests to the /rest/domains/list endpoint, which returns plaintext Active Directory credentials including domain, username, and password fields.