CVE-2026-12223

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

State
Published
Severity
5.1 Medium
Published
Jun 15, 2026
Updated
Jun 27, 2026
Reserved
Jun 14, 2026

Read the record on cve.org

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. 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."

Scores

CVSSScoreVectorSource
4.05.1 MediumCVSS: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:PVulDB
3.15.5 MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:CVulDB
3.05.5 MediumCVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:CVulDB
2.05.2 MediumAV:A/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:CVulDB

Weaknesses

Affected Products

ProductVersions
SIP-T46UYealink
  • 108.86.0.118Affected
  • 108.87.0.23Not affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.