CVE-2026-40855 Command Injection in T-Mobile 5G Box IDU router via ping functionality

WNC T-Mobile 5G Box IDU router is vulnerable to a command injection. The vulnerability exists in the ping functionality within the /cgi-bin/portal.cgi endpoint, specifically affecting the pingip, pingsize, and pingtimes POST parameters. The root cause is the failure to verify and sanitize...

CVE-2026-40854

CVE-2026-40854 affects the WNC T-Mobile 5G Box IDU router . The vulnerability resides in the portal.cgi component, where the session verification mechanism validates the sessionid cookie by checking for the existence of a corresponding file in /tmp/login_user . Because this check does not properl...

EUVD-2026-80669

WNC T-Mobile 5G Box IDU router contains an authentication bypass vulnerability in the portal.cgi component. The session verification mechanism improperly validates the sessionid cookie by checking for the existence of a corresponding file in /tmp/loginuser. An attacker can bypass authentication b...

CVE-2026-40854 Session auth bypass via cookie value in T-Mobile 5G Box IDU routers

WNC T-Mobile 5G Box IDU router contains an authentication bypass vulnerability in the portal.cgi component. The session verification mechanism improperly validates the sessionid cookie by checking for the existence of a corresponding file in /tmp/loginuser. An attacker can bypass authentication b...

CVE-2026-40854 Session auth bypass via cookie value in T-Mobile 5G Box IDU routers

WNC T-Mobile 5G Box IDU router contains an authentication bypass vulnerability in the portal.cgi component. The session verification mechanism improperly validates the sessionid cookie by checking for the existence of a corresponding file in /tmp/loginuser. An attacker can bypass authentication b...

PT-2026-93694

Name of the Vulnerable Software and Affected Versions WNC T-Mobile 5G Box IDU router versions prior to 1.1.0.651412 Description An authenticated attacker can execute arbitrary commands on the shell and gain root access to the system due to a command injection flaw. The issue occurs in the ping...

PT-2026-93698

Name of the Vulnerable Software and Affected Versions WNC T-Mobile 5G Box IDU router versions prior to 1.1.0.651412 Description The password change functionality within the 'portal.cgi' component contains an OS command injection flaw. The application fails to properly neutralize special elements ...

PT-2026-93696

Name of the Vulnerable Software and Affected Versions WNC T-Mobile 5G Box IDU router versions prior to 1.1.0.651412 Description A cross-site request forgery CSRF issue exists in the 'portal.cgi' component. The anti-CSRF mechanism fails to validate the csrf token value parameter, accepting any...

CVE-2026-40857: Cross-Site Request Forgery (CSRF)

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 csrftokenvalue parameter, accepting any arbitrary value as valid. This allows a remote attacker to perform unauthorized actions on the...

PT-2026-93697

Name of the Vulnerable Software and Affected Versions WNC T-Mobile 5G Box IDU versions prior to 1.1.0.651412 Description An OS command injection flaw exists in the '/cgi-bin/portal.cgi' endpoint. The issue occurs because the cli cookie POST parameter is concatenated into a find command string...

CVE-2026-58147: Improper Neutralization of Special Elements used in an OS Command

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 httppasswdhidden and httppasswdConfirmhidden parameters, allowing an authenticated attacker to...

CVE-2026-58146: Improper Neutralization of Special Elements used in an OS Command

WNC T-Mobile 5G Box IDU router is vulnerable to OS command injection vulnerability. The vulnerability exists within the /cgi-bin/portal.cgi endpoint, specifically through the clicookie POST parameter. The clicookie parameter value is directly concatenated into a find command string without proper...

CVE-2026-40856: Missing Authentication for Critical Function

WNC T-Mobile 5G Box IDU router is vulnerable to improper access control. The vulnerability exists in the wncmaccheck.cgi endpoint, which is accessible without authentication. It allows a remote attacker to retrieve sensitive configuration data, including the administrator web password, WiFi...

CVE-2026-40855: Improper Neutralization of Special Elements used in an OS Command

WNC T-Mobile 5G Box IDU router is vulnerable to a command injection. The vulnerability exists in the ping functionality within the /cgi-bin/portal.cgi endpoint, specifically affecting the pingip, pingsize, and pingtimes POST parameters. The root cause is the failure to verify and sanitize...

PT-2026-93695

Name of the Vulnerable Software and Affected Versions WNC T-Mobile 5G Box IDU versions prior to 1.1.0.651412 Description Improper access control allows a remote attacker to access the 'wnc maccheck.cgi' endpoint without authentication. This enables the retrieval of sensitive configuration data,...

CVE-2026-40854: Authentication Bypass by Spoofing

WNC T-Mobile 5G Box IDU router contains an authentication bypass vulnerability in the portal.cgi component. The session verification mechanism improperly validates the sessionid cookie by checking for the existence of a corresponding file in /tmp/loginuser. An attacker can bypass authentication b...

PT-2026-93693

Name of the Vulnerable Software and Affected Versions WNC T-Mobile 5G Box IDU router versions prior to 1.1.0.651412 Description The portal.cgi component contains two security issues. First, an authentication bypass exists because the session verification mechanism improperly validates the session...

CVE-2026-47780

free5GC is an open-source implementation of the 5G core network. In 4.2.3 and earlier, HandleCreateEeSubscriptions and HandleQueryeesubscriptions in free5gc/udr internal/sbi/apidatarepository.go validate the ueId path value with a regular expression whose final .+ alternative accepts every...

EUVD-2026-78766

free5GC is an open-source implementation of the 5G core network. In 4.2.3 and earlier, HandleCreateEeSubscriptions and HandleQueryeesubscriptions in free5gc/udr internal/sbi/apidatarepository.go validate the ueId path value with a regular expression whose final .+ alternative accepts every...

CVE-2026-47780 free5GC: UDR Improper ueId validation in free5GC EE subscription handlers allows arbitrary identifier persistence

free5GC is an open-source implementation of the 5G core network. In 4.2.3 and earlier, HandleCreateEeSubscriptions and HandleQueryeesubscriptions in free5gc/udr internal/sbi/apidatarepository.go validate the ueId path value with a regular expression whose final .+ alternative accepts every...