A AegiFlow
HIGHCVSS 7.1

CVE-2026-40856

CVE-2026-40856 updated by NVD

Published
2026-09-16
Modified
2026-09-18
Sources
euvd, nvd

Summary

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

References

Includes data from the ENISA EU Vulnerability Database (EUVD).

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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