CVE-2026-58147 Authorized remote code execution via password change functionality in T-Mobile 5G Box IDU routers

Critical 9.3 Published Updated

An authenticated attacker can execute arbitrary OS commands with root privileges via the password change functionality in T-Mobile 5G Box IDU routers.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-58147?

CVE-2026-58147 is a critical command injection vulnerability in WNC T-Mobile 5G Box IDU, published on 16 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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

Weakness: CWE-78

Which versions are affected by CVE-2026-58147?

How do I fix CVE-2026-58147?

No fix has been published for CVE-2026-58147 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-58147 being exploited?

There is no known exploitation of CVE-2026-58147 in the wild and no public exploit code.

Sources

Also known as GHSA-pfx4-383w-6gx3.

Is CVE-2026-58147 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free