CVE-2026-40856
Severity not reportedData quality: awaiting analysis.
NVD has not completed analysis, so CVSS and affected-product data may be missing or change.
WNC T-Mobile 5G Box IDU router is vulnerable to improper access control.
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
CVSS
—
Awaiting analysis by NVD
Timeline (UTC)
Published: 2026-09-16 12:17
Modified: 2026-09-28 23:10
NVD status: Awaiting Analysis
Last synced 2 days ago
Verified against the source API 2026-10-27 06:54 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://cert.pl/posts/2026/09/CVE-2026-40854 cvd@cert.pl
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:54 UTC · record ↗