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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Yealink
  • Sip-t46u

No data.

No data.

References
Link Providers
http://cdn2.v50to.cc/T46U/T46U_mod_diagnose_CommandShellByType_iperf_time_cmd_injection.zip cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-12219 cve-icon cve-icon
https://vuldb.com/submit/834204 cve-icon cve-icon
https://vuldb.com/vuln/370862 cve-icon cve-icon
https://vuldb.com/vuln/370862/cti cve-icon cve-icon
History

Mon, 15 Jun 2026 22:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 15 Jun 2026 06:00:00 +0000

Type Values Removed Values Added
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.
Title Yealink SIP-T46U Web FastCGI Service start mod_diagnose.CommandShellByType command injection
First Time appeared Yealink
Yealink sip-t46u
Weaknesses CWE-74
CWE-77
CPEs cpe:2.3:a:yealink:sip-t46u:*:*:*:*:*:*:*:*
Vendors & Products Yealink
Yealink sip-t46u
References
Metrics cvssV2_0

{'score': 6.5, 'vector': 'AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 6.3, 'vector': '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'}

cvssV3_1

{'score': 6.3, 'vector': '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'}

cvssV4_0

{'score': 5.3, 'vector': '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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-06-15T04:30:12.020Z

Updated: 2026-06-15T21:55:59.368Z

Reserved: 2026-06-14T13:54:13.580Z

Link: CVE-2026-12219

cve-icon Vulnrichment

Updated: 2026-06-15T21:55:54.462Z

cve-icon NVD

Status : Deferred

Published: 2026-06-15T06:16:23.953

Modified: 2026-06-15T20:42:32.707

Link: CVE-2026-12219

cve-icon Redhat

No data.