Yealink SIP-T46U 108.86.0.118 Web FastCGI Service tftpuploadiperf mod_webd.TFTPUploadIperf ip/port command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.0$0-$5k2.51-

Summaryinfo

A vulnerability was found in Yealink SIP-T46U 108.86.0.118. It has been declared as critical. Affected by this issue 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 results in command injection. This vulnerability is identified as CVE-2026-12223. The attack can only be performed from the local network. Additionally, an exploit exists. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability, which was classified as critical, was found in Yealink SIP-T46U 108.86.0.118. Affected 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 with an unknown input leads to a command injection vulnerability. CWE is classifying the issue as CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is available at cdn2.v50to.cc. This vulnerability is traded as CVE-2026-12223. The exploitability is told to be easy. Access to the local network is required for this attack to succeed. Technical details and a public exploit are known. This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

The exploit is shared for download at cdn2.v50to.cc. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.5
VulDB Temp Score: 5.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/14/2026 Advisory disclosed
06/14/2026 +0 days VulDB entry created
06/14/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: cdn2.v50to.cc
Status: Not defined

CVE: CVE-2026-12223 (🔒)
GCVE (CVE): GCVE-0-2026-12223
GCVE (VulDB): GCVE-100-370866
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/14/2026 15:59
Changes: 06/14/2026 15:59 (59)
Complete: 🔍
Submitter: ChiChen241
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #834603: yealink T46U 108.86.0.118 Command Injection (by ChiChen241)

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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