CVE-2026-40856

Unrated0% EPSS

WNC T-Mobile 5G Box IDU router is vulnerable to improper access control. The vulnerability exists in the wnc_maccheck.cgi endpoint, which is accessible without authentication. It allows a remote attacker to retrieve sensitive configuration data, including the administrator web password, WiFi passphrase, and technical device information.This issue has been fixed in firmware version 1.1.0.651412

Published 2026-09-16 · last modified 2026-09-16

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Ncerio by BeyondNets · data from NVD, CISA KEV, EPSS.