Paper/Archive/CVE-2026-58147

CVE-2026-58147

WNC T-Mobile 5G Box IDU — Authorized remote code execution via password change functionality in T-Mobile 5G Box IDU routers

EPSS 2%CVSS 9.3

critical.is priorityof 100

CVSS 9.3 (CNA)9.3 / 10 × 3027.9 Not in CISA KEV+300.0 EPSS percentile 75.5.755 × 2015.1 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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

Affected

ProductAffectedFixed inSource

T-Mobile 5G Box IDU< 1.1.0.6514121.1.0.651412CNA

Scores by source

CERT-PL (CNA)9.3CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

writeupcert.pl/posts/2026/09/CVE-2026-40854