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Home/Vulnerability/CVE-2026-12223

CVE-2026-12223

Yealink SIP-T46U Web FastCGI Service tftpuploadiperf mod_webd.TFTPUploadIperf command injection

Published: Jun 15, 2026Updated: Jun 15, 2026 Sources: CVE List NVD
NVD MITRE
5.5CVSS
MEDIUM

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.

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:AAC:LPR:LUI:NS:UC:LI:LA:L
Exploitability
AV:AAttack Vector
Adjacent
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

Weaknesses

CWE-74CWE-77

Affected Products

SIP-T46U
Yealink
Communications / voip-telephony
yealinkcommercialCNCommunicationsaka rps, sip-t38g, ultra-elegant ip phone sip-t41p firmware

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

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

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://vuldb.com/vuln/370866
vuldb.com
https://vuldb.com/vuln/370866/cti
vuldb.com
https://vuldb.com/cve/CVE-2026-12223
vuldb.com
and 2 more references View all →

Timeline

Published
Jun 15, 2026
Last Updated
Jun 15, 2026

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