CVE-2026-12219
MEDIUM
6.3
CVSS 3.1
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. The vendor was contacted early about this disclosure but did not respond in any way.
Metadata
Severity & Metrics
6.3
MEDIUM CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Affected products (1)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| Yealink | SIP-T46U | — | 108.86.0.118 |
CVSS scores (4)
| Score | Severity | Version | Source | Vector |
|---|---|---|---|---|
| 6.5 | N/D | 2.0 | cna | AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR |
| 6.3 | MEDIUM | 3.1 | cna | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R |
| 6.3 | MEDIUM | 3.0 | cna | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R |
| 5.3 | MEDIUM | 4.0 | cna | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P |
References (5)
- VDB-370862 | Yealink SIP-T46U Web FastCGI Service start mod_diagnose.CommandShellByType command injection https://vuldb.com/vuln/370862
- VDB-370862 | CTI Indicators (IOB, IOC, TTP, IOA) https://vuldb.com/vuln/370862/cti
- CVE-2026-12219 | CVE Analysis and Report https://vuldb.com/cve/CVE-2026-12219
- Submit #834204 | yealink T46U 108.86.0.118 Command Injection https://vuldb.com/submit/834204
- http://cdn2.v50to.cc/T46U/T46U_mod_diagnose_CommandShellByType_iperf_time_cmd_injection.zip