Description
A flaw has been found in Yealink SIP-T46U 108.86.0.118. The impacted element is the function mod_diagnose.CommandShellByType of the file /api/diagnosis/start of the component Web FastCGI Service. This manipulation of the argument Time causes command injection. The attack can be initiated remotely. The exploit has been published and may be used. Upgrading to version 108.87.0.23 is sufficient to resolve this issue. It is advisable to upgrade the affected component.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Yealink | SIP-T46U | 108.86.0.118 | 108.87.0.23 |
References
- VDB-370862 | Yealink SIP-T46U Web FastCGI Service start mod_diagnose.CommandShellByType command injection vdb-entry technical-description
- VDB-370862 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- CVE-2026-12219 | CVE Analysis and Report third-party-advisory
- Submit #834204 | yealink T46U 108.86.0.118 Command Injection third-party-advisory
- http://cdn2.v50to.cc/T46U/T46U_mod_diagnose_CommandShellByType_iperf_time_cmd_injection.zip broken-link exploit