A vulnerability was identified in Yealink SIP-T46U 108.86.0.118. Affected by this vulnerability is the function mod_webd.TFTPUploadIperf of the file /api/inner/tftpuploadiperf of the component Web FastCGI Service. The manipulation of the argument ip/port leads to command injection. The attack needs to be initiated within the local network. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Attack Vector Adjacent 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 Adjacent Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Adjacent Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

No EPSS score available.

Exploitation poc

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Yealink SIP-T46U affected
Version Status Constraints
108.86.0.118 affected —

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Project Subscriptions

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Sip-t46u Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
http://cdn2.v50to.cc/T46U/T46U_mod_webd_TFTPUploadIperf_system_exec.zip cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-12223 cve-icon cve-icon
https://vuldb.com/submit/834603 cve-icon cve-icon
https://vuldb.com/vuln/370866 cve-icon cve-icon
https://vuldb.com/vuln/370866/cti cve-icon cve-icon
History

Mon, 15 Jun 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

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

Type Values Removed Values Added
Description A vulnerability was identified in Yealink SIP-T46U 108.86.0.118. Affected by this vulnerability is the function mod_webd.TFTPUploadIperf of the file /api/inner/tftpuploadiperf of the component Web FastCGI Service. The manipulation of the argument ip/port leads to command injection. The attack needs to be initiated within the local network. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Title Yealink SIP-T46U Web FastCGI Service tftpuploadiperf mod_webd.TFTPUploadIperf 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': 5.2, 'vector': 'AV:A/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 5.5, 'vector': 'CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-06-15T10:29:10.711Z

Reserved: 2026-06-14T13:54:23.937Z

Link: CVE-2026-12223

cve-icon Vulnrichment

Updated: 2026-06-15T10:29:03.819Z

cve-icon NVD

Status : Received

Published: 2026-06-15T06:16:24.567

Modified: 2026-06-15T06:16:24.567

Link: CVE-2026-12223

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-15T07:30:31Z

Weaknesses