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CVE-2026-12219

Yealink SIP-T46U Web FastCGI Service start mod_diagnose.CommandShellByType command injection

Published: Jun 15, 2026Updated: Jul 24, 2026 Sources: CVE List NVDCWE-74
6.3MEDIUM
NVD MITRE
EPSS Score
1.1%
Top 38.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-74CWE-77

Affected Products

Yealink
commercial·CNaka sip-t38g, rps, ultra-elegant ip phone sip-t41p firmware
SIP-T46UEmbedded
Communications / voip-telephony

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

http://cdn2.v50to.cc/T46U/T46U_mod_diagnose_CommandShellByType_iperf_time_cmd_injection.zip
cdn2.v50to.cc
https://vuldb.com/cve/CVE-2026-12219
vuldb.com
https://vuldb.com/submit/834204
vuldb.com
and 2 more references View all →

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