Description
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
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| WNC | T-Mobile 5G Box IDU | < 1.1.0.651412 | 1.1.0.651412 |
References
- https://cert.pl/posts/2026/09/CVE-2026-40854 third-party-advisory