October 29, 2026

CVE Watchtower

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CVE-2026-40857NVD

Vulnerability Summary

WNC T-Mobile 5G Box IDU router contains a cross-site request forgery (CSRF) vulnerability in the portal.cgi component. The anti-CSRF mechanism fails to validate the csrf_token_value parameter, accepting any arbitrary value as valid. This allows a remote attacker to perform unauthorized actions on the device by tricking an authenticated user into visiting a malicious website.This issue has been fixed in firmware version 1.1.0.651412
Severity Level
UNKNOWN
Published Date
Sep 16, 2026
Last Modified
Sep 16, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.20%Probability
Root Weakness (CWE)
CWE-352: Cross-Site Request Forgery (CSRF) ↗
The web application does not sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.
CVSS v4.0 Base Metrics — Score 8.4 (HIGH)
Attack VectorAdjacent
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredNone
User InteractionActive
Confidentiality (Vulnerable System)High
Integrity (Vulnerable System)High
Availability (Vulnerable System)Low
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)None

Affected & Patched Versions

Affected Versions
  • WNC T-Mobile 5G Box IDU < 1.1.0.651412
Patched Versions
  • WNC T-Mobile 5G Box IDU 1.1.0.651412
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🎁7-Day Free Trial — Try Pro or Team, no card required.
📧Email Delivery — Threat intel straight to your inbox.
♾️Unlimited Vendors — Track your entire stack.
🚨All New CVEs — Be the first to know.
📈EPSS Spike Alerts — Catch rising risk before it peaks.
🎯Custom EPSS/CVSS — Filter noise, focus on risk.
🛡️Exploit Intel — A 2nd confirmed-exploit signal beyond KEV.
🐙GitHub Issues — Auto-tracked, no duplicates.
📬Weekly Digest — One clean summary, not inbox spam.
🏷️Watchlist Groups — Tag alerts by team (Infra/AppSec/SOC).
💬Webhooks — Slack & Teams integration.
🔀Smart Routing — Critical alerts to one channel, rest to another.
🚫Ad-Free — Uninterrupted experience.

External References