CVE-2026-58147

9.3 criticalEPSS 1.6%

WNC T-Mobile 5G Box IDU router contains an OS command injection vulnerability in the portal.cgi component's password change functionality. The application improperly neutralizes special elements in the http_passwd_hidden and http_passwdConfirm_hidden parameters, allowing an authenticated attacker to execute arbitrary commands on the underlying operating system with root privileges.This issue has been fixed in firmware version 1.1.0.651412

Severity

CVSS 4.0

9.3 critical

CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

EPSS: 1.6% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)
CWE: CWE-78
Published: 2026-09-16
Modified: 2026-09-28
Record from: the NVD, synced 2026-10-19

References

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

Check your stack JSON