CVE-2026-12223

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-12223
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. Upgrading to version 108.87.0.23 addresses this issue. Upgrading the affected component is recommended. The vendor explains: "It has been fixed (...) for our technical support branch. However, please note that this specific support branch firmware is not publicly released yet."

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.1 / Impact : 3.4

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

5.2 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:A/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 5.1 / Impact : 6.4

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

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

No configuration.

History

23 Jul 2026, 11:10

Type Values Removed Values Added
Summary
  • (es) Una vulnerabilidad fue identificada en Yealink SIP-T46U 108.86.0.118. Afectada por esta vulnerabilidad es la función mod_webd.TFTPUploadIperf del archivo /api/inner/tftpuploadiperf del componente Web FastCGI Service. La manipulación del argumento ip/puerto lleva a inyección de comandos. El ataque necesita ser iniciado dentro de la red local. El exploit está disponible públicamente y podría ser usado. El proveedor fue contactado tempranamente sobre esta divulgación pero no respondió de ninguna manera.

27 Jun 2026, 06:16

Type Values Removed Values Added
Summary (en) 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. (en) 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. Upgrading to version 108.87.0.23 addresses this issue. Upgrading the affected component is recommended. The vendor explains: "It has been fixed (...) for our technical support branch. However, please note that this specific support branch firmware is not publicly released yet."

15 Jun 2026, 06:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-06-15 06:16

Updated : 2026-07-24 19:10

NVD link : CVE-2026-12223

Mitre link : CVE-2026-12223

CVE.ORG link : CVE-2026-12223

JSON object : View

Products Affected

No product.

CWE
CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')