CentreStack and TrioFox - Arbitrary File Read (CVE-2025-11371)

CVE-2025-11371 is a local file inclusion vulnerability in the default installation of Gladinet CentreStack and TrioFox, allowing unauthenticated attackers to access sensitive system files. This flaw, which has been actively exploited in the wild, could lead to unintended disclosure of confidential information and facilitate further attacks against affected systems.

CrowdSec has been tracking this vulnerability and its exploits since 29th of October 2025.

Insights from the CrowdSec network reveal that the attackers trying to exploit CVE-2025-11371 are composed of a fairly even mix of opportunistic and targeted actors. Some attackers employ preliminary reconnaissance, while others use indiscriminate scanning. Telemetry from the CrowdSec network also shows that exploitation activity for CVE-2025-11371 remains steady week-over-week. Attack volumes are consistent with long-term trends, indicating sustained interest from threat actors. CVE-2025-11371 continues to be an active part of the threat landscape and will likely remain this way for the forseeable future.

Attackers exploit this vulnerability by sending requests to URLs containing /storage/t.dn with the s parameter set to Windows-style path traversal sequences (e.g., ..%5C..%5C..%5C) to access sensitive files such as Web.config.