Advisory Details

March 25th, 2025

(0Day) BEC Technologies Multiple Routers Authentication Bypass Vulnerability

ZDI-25-184
ZDI-CAN-25894

CVE ID CVE-2025-2771
CVSS SCORE 5.3, AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
AFFECTED VENDORS BEC Technologies
AFFECTED PRODUCTS Multiple Routers
VULNERABILITY DETAILS

This vulnerability allows remote attackers to bypass authentication on affected installations of BEC Technologies routers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the web-based user interface. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to bypass authentication on the system.

ADDITIONAL DETAILS

12/06/24 – ZDI contacted the vendor’s support team via email
02/13/25 – ZDI requested an update
03/12/25 – ZDI informed the vendor that since we have not received a response, we will publish the report as a 0-day advisory


DISCLOSURE TIMELINE
  • 2025-03-11 - Vulnerability reported to vendor
  • 2025-03-25 - Coordinated public release of advisory
  • 2025-03-25 - Advisory Updated
CREDIT Steven C Yu of Trend Micro Research
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