CVE-2026-40856

— UNSCORED

Published 2026-09-16 · Updated 2026-09-16

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD description

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

Weaknesses

CWE-306

References

https://cert.pl/posts/2026/09/CVE-2026-40854

Data: NVD (public domain). Analysis: local $0 model. Defensive use only.