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 ping_ip, ping_size, and ping_times POST parameters. The root cause is the failure to verify and sanitize user-supplied input before incorporating it into a system command. This allows an authenticated attacker to execute arbitrary commands on the shell and gain root access to the system.This issue has been fixed in firmware versionĀ 1.1.0.651412
Metrics
Affected Vendors & Products
References
| Link | Providers |
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| https://cert.pl/posts/2026/09/CVE-2026-40854 |
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History
Wed, 16 Sep 2026 17:30:00 +0000
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ssvc
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Wed, 16 Sep 2026 11:45:00 +0000
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| Description | 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 ping_ip, ping_size, and ping_times POST parameters. The root cause is the failure to verify and sanitize user-supplied input before incorporating it into a system command. This allows an authenticated attacker to execute arbitrary commands on the shell and gain root access to the system.This issue has been fixed in firmware versionĀ 1.1.0.651412 | |
| Title | Command Injection in T-Mobile 5G Box IDU router via ping functionality | |
| First Time appeared |
Wnc
Wnc t-mobile 5g Box Idu |
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| Weaknesses | CWE-78 | |
| CPEs | cpe:2.3:a:wnc:t-mobile_5g_box_idu:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Wnc
Wnc t-mobile 5g Box Idu |
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| References |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: CERT-PL
Published: 2026-09-16T11:21:11.939Z
Updated: 2026-09-16T16:01:54.453Z
Reserved: 2026-04-15T11:10:34.849Z
Link: CVE-2026-40855
Updated: 2026-09-16T16:01:51.268Z
Status : Awaiting Analysis
Published: 2026-09-16T12:17:03.673
Modified: 2026-09-28T23:10:00.143
Link: CVE-2026-40855
No data.