CVE-2026-38060: Tenda 5G03 command injection in action_unlock_sim

CVE-2026-38060 · Severity: info · CVSS 8.8 · Published 2026-06-15

The Tenda 5G03 is a 5G wireless router used to provide high-speed internet connectivity. A security flaw in the device's SIM card management interface allows an attacker to execute unauthorized commands on the router's operating system. This could lead to a complete takeover of the device, allowing an attacker to intercept network traffic or disrupt internet services.

Technologies: Tenda 5G03. Vendors: Tenda.

Quick answers

Is CVE-2026-38060 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-38060 being exploited in the wild.
How severe is CVE-2026-38060?
Informational severity, with a CVSS score of 8.8, published 15 June 2026.
Which products and versions are affected?
Tenda 5G03 V05.03.02.04 (Version 1.0).
Is there a fix for CVE-2026-38060?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-38060 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-38060?
Check whether you run Tenda 5G03 at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A command injection vulnerability exists in the Tenda 5G03 router within the '/usr/lib/lua/luci/controller/admin/telephony.lua' file. The 'action_unlock_sim' function fails to properly sanitize the 'pin' parameter before passing it to a system shell. An authenticated attacker with access to the web management interface can exploit this by sending a specially crafted POST request to the '/cgi-bin/luci/admin/telephony/trigger_sim_unlock' endpoint. Successful exploitation allows for arbitrary command execution with the privileges of the web server, typically root on such embedded devices.

Affected products

  • Tenda 5G03 V05.03.02.04 (Version 1.0)

Timeline

  • 2026-03-16: disclosed: Initial discovery and submission date by researcher
  • 2026-06-15: advisory: CVE published to NVD

References

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